Transcript Life Boot Camp Review

Life Boot Camp
5.9A
Observe the way organisms live and survive
in their ecosystem by interacting with the
living and non-living elements.
STAAR 2013 #3, RC 4; Readiness A
1. Some beetles break down the remains of dead
animals. Some mushrooms break down the remains
of dead trees. How do these actions most benefit
plants?
A. By returning nutrients to the soil
B. By releasing oxygen into the air
C. By making space for new animals
D. By decreasing the population of herbivores
STAAR 2013 #3, RC 4; Readiness A
1. Some beetles break down the remains of dead
animals. Some mushrooms break down the remains
of dead trees. How do these actions most benefit
plants?
A. By returning nutrients to the soil
B. By releasing oxygen into the air
C. By making space for new animals
D. By decreasing the population of herbivores
STAAR 2013 #29, RC 4; Readiness
2. In the fall and winter many trees lose their leaves in
response to cooler temperatures and –
A. a decrease in average wind speed
B. fewer hours of daylight
C. an increase in humidity
D. more direct sunlight
STAAR 2013 #29, RC 4; Readiness
2. In the fall and winter many trees lose their leaves in
response to cooler temperatures and –
A. a decrease in average wind speed
B. fewer hours of daylight
C. an increase in humidity
D. more direct sunlight
2003—#28 (59%)
3. The African baobab tree has a huge trunk that
can store as much as 100 kiloliters of water. This
adaptation would be an advantage in a climate
that is very—
F
G
H
J
cold
dry
windy
sunny
2003—#28 (59%)
3. The African baobab tree has a huge trunk that
can store as much as 100 kiloliters of water. This
adaptation would be an advantage in a climate
that is very—
F
G
H
J
cold
dry
windy
sunny
2003—#31 (60%)
4. In the diagram, the label Z represents —
A
B
C
D
sugar
carbon dioxide
nitrogen
water vapor
2003—#31 (60%)
4. In the diagram, the label Z represents —
A
B
C
D
sugar
carbon dioxide
nitrogen
water vapor
2004—#26 (77%)
5. Brightly colored flowers are most often
pollinated by—
F
G
H
J
wind
mammals
rainfall
insects
2004—#26 (77%)
5. Brightly colored flowers are most often
pollinated by—
F
G
H
J
wind
mammals
rainfall
insects
6.
6.
7.
7.
8. A community of living and non-living
things that interact is called –
A
B
C
D
a life cycle
a water cycle
an ecosystem
an envirosystem
8. A community of living and non-living
things that interact is called –
A
B
C
D
a life cycle
a water cycle
an ecosystem
an envirosystem
9. From what part of an ecosystem do plants
get carbon dioxide?
A
B
C
D
Air
Soil
Water
Sunlight
9. From what part of an ecosystem do plants
get carbon dioxide?
A
B
C
D
Air
Soil
Water
Sunlight
10. Why do scientists classify an ecosystem as a
type of system?
A It contains living and non-living things.
B It is composed of soil, air, and living things.
C It is composed of a group of parts working
together.
D It contains many gases such as oxygen, nitrogen
and carbon dioxide.
10. Why do scientists classify an ecosystem as a
type of system?
A It contains living and non-living things.
B It is composed of soil, air, and living things.
C It is composed of a group of parts working
together.
D It contains many gases such as oxygen, nitrogen
and carbon dioxide.
11. All living and nonliving things that surround an
animal are part of its—
A
B
C
D
food chain
life cycle
ecosystem
atmosphere
11. All living and nonliving things that surround an
animal are part of its—
A
B
C
D
food chain
life cycle
ecosystem
atmosphere
12.
12.
13. The wind helps many plants reproduce
by—
A
B
C
D
cooling the plants
giving the plants moisture
spreading the plants’ pollen
strengthening the plants’ root systems
13. The wind helps many plants reproduce
by—
A
B
C
D
cooling the plants
giving the plants moisture
spreading the plants’ pollen
strengthening the plants’ root systems
14.
14.
15.
15.
16.
16.
17. Plants use sunlight and take in carbon dioxide
from the air and water from the environment to
make food. In this process, they release oxygen back
into the environment. How is this important to the
survival of other living things?
A
B
C
D
Plants use this oxygen to make water.
People need this oxygen to make electricity.
Animals use oxygen for food.
Living things need oxygen for respiration.
17. Plants use sunlight and take in carbon dioxide
from the air and water from the environment to
make food. In this process, they release oxygen back
into the environment. How is this important to the
survival of other living things?
A
B
C
D
Plants use this oxygen to make water.
People need this oxygen to make electricity.
Animals use oxygen for food.
Living things need oxygen for respiration.
18. Which animals are most likely to carry the
seeds found in berries from the parent plant
to another area?
A
B
C
D
Bees
Birds
Flies
Caterpillars
18. Which animals are most likely to carry the
seeds found in berries from the parent plant
to another area?
A
B
C
D
Bees
Birds
Flies
Caterpillars
19. The yucca moth of the Arizona desert lays its eggs inside
the flower of the yucca plant. When the eggs hatch, the
moth larvae eat some of the plant seeds. When the moth
flies away from the plant, it takes pollen from the yucca
flower with it. How does the yucca moth help the yucca
plant?
A
B
C
D
Lays eggs
Eats seeds
Hatches larvae
Spreads pollen
19. The yucca moth of the Arizona desert lays its eggs inside
the flower of the yucca plant. When the eggs hatch, the
moth larvae eat some of the plant seeds. When the moth
flies away from the plant, it takes pollen from the yucca
flower with it. How does the yucca moth help the yucca
plant?
A
B
C
D
Lays eggs
Eats seeds
Hatches larvae
Spreads pollen
20. Many animals depend on plants for—
A
B
C
D
carbon dioxide
pollination
seed dispersal
nourishment
20. Many animals depend on plants for—
A
B
C
D
carbon dioxide
pollination
seed dispersal
nourishment
21. Which organism produces oxygen for other
organisms?
A
B
C
D
A fish
A water lily
A blue bird
A snail
21. Which organism produces oxygen for other
organisms?
A
B
C
D
A fish
A water lily
A blue bird
A snail
22. Oak trees produce seeds that are contained in acorns.
Blue jays eat the seeds in acorns. Blue jays also collect acorns
and hide them in the ground, often far away from the parent
oak tree. Blue jays do not eat the seed of every acorn they
hide. How do oak trees benefit from blue jays’ collecting and
hiding acorns?
A
B
C
D
The oak trees are pollinated by the blue jays
The oak trees are protected from other herbivores
The seeds of oak trees are protected from the sun.
The seeds of oak trees are planted in new environments.
22. Oak trees produce seeds that are contained in acorns.
Blue jays eat the seeds in acorns. Blue jays also collect acorns
and hide them in the ground, often far away from the parent
oak tree. Blue jays do not eat the seed of every acorn they
hide. How do oak trees benefit from blue jays’ collecting and
hiding acorns?
A
B
C
D
The oak trees are pollinated by the blue jays
The oak trees are protected from other herbivores
The seeds of oak trees are protected from the sun.
The seeds of oak trees are planted in new environments.
23. Everglades National Park is a marshland
ecosystem. Fish, insects, frogs, grasses, lizards,
birds, and deer are found in the Everglades. In this
ecosystem, the deer eat the grass. Grass is the BEST
source of which of the following?
A
B
C
D
Water
Energy
Sunlight
Carbon dioxide
23. Everglades National Park is a marshland
ecosystem. Fish, insects, frogs, grasses, lizards,
birds, and deer are found in the Everglades. In this
ecosystem, the deer eat the grass. Grass is the BEST
source of which of the following?
A
B
C
D
Water
Energy
Sunlight
Carbon dioxide
24. Different types of birds within an
environment may feed on different types of
organisms. What is a benefit of this type of
interaction?
A It allows different birds to build better nests.
B It reduces competition between different birds.
C It causes different birds to reproduce more
often.
D It allows different birds to escape from
predators.
24. Different types of birds within an
environment may feed on different types of
organisms. What is a benefit of this type of
interaction?
A It allows different birds to build better nests.
B It reduces competition between different birds.
C It causes different birds to reproduce more
often.
D It allows different birds to escape from
predators.
25. Which of the following BEST describes how
plants use the energy they receive from the sun?
A
B
C
D
Plants change water into heat.
Plants produce their own food.
Plants make minerals for their roots.
Plants break down nutrients into rocks
25. Which of the following BEST describes how
plants use the energy they receive from the sun?
A
B
C
D
Plants change water into heat.
Plants produce their own food.
Plants make minerals for their roots.
Plants break down nutrients into rocks
26.
26.
27. Wind helps many plants reproduce by—
A
B
C
D
cooling the plants in hot weather
giving the plants moisture
spreading plant pollen
strengthening the roots of the plant
27. Wind helps many plants reproduce by—
A
B
C
D
cooling the plants in hot weather
giving the plants moisture
spreading plant pollen
strengthening the roots of the plant
28. When trees develop leaves in the spring, changes
occur on the forest floor. Why does the development
of leaves cause changes on the forest floor?
A
B
C
D
Rainfall increases.
Sunlight is reduced.
Wind speed increases.
Animal migration is stopped.
28. When trees develop leaves in the spring, changes
occur on the forest floor. Why does the development
of leaves cause changes on the forest floor?
A
B
C
D
Rainfall increases.
Sunlight is reduced.
Wind speed increases.
Animal migration is stopped.
29. Peach trees have sweet-smelling blossoms
and produce rich fruit. What is the main
reason peach blossoms have a sweet smell?
A
B
C
D
To attract bees for pollinations
To create flower arrangements
To protect the tree from disease
To feed migratory birds
29. Peach trees have sweet-smelling blossoms
and produce rich fruit. What is the main
reason peach blossoms have a sweet smell?
A
B
C
D
To attract bees for pollinations
To create flower arrangements
To protect the tree from disease
To feed migratory birds
30.
30.
2003—#18 (84%)
31. Plants can survive in a clear, closed container without
animals. Animals cannot survive in a closed container
without plants. Why can’t animals survive in a closed
container without plants?
F Plants and animals need water to survive.
G Plants produce oxygen, which animals need.
H Plants take in and give off water; animals only take in
water.
J Plants are stationary; most animals roam freely.
2003—#18 (84%)
31. Plants can survive in a clear, closed container without
animals. Animals cannot survive in a closed container
without plants. Why can’t animals survive in a closed
container without plants?
F Plants and animals need water to survive.
G Plants produce oxygen, which animals need.
H Plants take in and give off water; animals only take in
water.
J Plants are stationary; most animals roam freely.
32. Tall pine trees grow very well in East Texas.
However, these trees do not do well in parts of
West Texas. Which of the following is MOST
important in determining where a plant can grow
and survive?
A
B
C
D
Wind
Climate
Tides
Sunshine
32. Tall pine trees grow very well in East Texas.
However, these trees do not do well in parts of
West Texas. Which of the following is MOST
important in determining where a plant can grow
and survive?
A
B
C
D
Wind
Climate
Tides
Sunshine
33. A science teacher bought some tomatoes that were still green
and not yet ripened. He placed half of them in the refrigerator
and half on a kitchen table at room temperature. After 4 days,
the tomatoes in the refrigerator were still green, while those on
the table were red and ripe. Which of the following is the BEST
reason for the difference in ripening?
A
B
C
D
Tomatoes need sunlight to ripen.
There was not enough air in the refrigerator.
The tomatoes placed in the refrigerator were just bad.
Tomatoes do not ripen well at cold temperatures.
33. A science teacher bought some tomatoes that were still green
and not yet ripened. He placed half of them in the refrigerator
and half on a kitchen table at room temperature. After 4 days,
the tomatoes in the refrigerator were still green, while those on
the table were red and ripe. Which of the following is the BEST
reason for the difference in ripening?
A
B
C
D
Tomatoes need sunlight to ripen.
There was not enough air in the refrigerator.
The tomatoes placed in the refrigerator were just bad.
Tomatoes do not ripen well at cold temperatures.
34.
34.
35.
35.
36.
36.
37. Which of the following is the primary function of
large leaves found on seedlings growing in a forest?
A
B
C
D
To provide shade for the root systems
To allow water to enter the root system
To allow for leaf damage by insects
To gather light for making its own food
37. Which of the following is the primary function of
large leaves found on seedlings growing in a forest?
A
B
C
D
To provide shade for the root systems
To allow water to enter the root system
To allow for leaf damage by insects
To gather light for making its own food
38. Which of the following is most important in
determining where a plant can grow and
survive?
A
B
C
D
predators
climate
water
wind
38. Which of the following is most important in
determining where a plant can grow and
survive?
A
B
C
D
predators
climate
water
wind
39.
39.
40. Which of the following animals would NOT be
found in a pond ecosystem?
A
B
C
D
A fish
A frog
An insect
A rabbit
40. Which of the following animals would NOT be
found in a pond ecosystem?
A
B
C
D
A fish
A frog
An insect
A rabbit
41. Which of the following is a living component
of a deciduous forest in Texas?
A
B
C
D
Amount of rainfall received
Average high temperature
Herd of spotted deer
Large family of penguins
41. Which of the following is a living component
of a deciduous forest in Texas?
A
B
C
D
Amount of rainfall received
Average high temperature
Herd of spotted deer
Large family of penguins
42. Which of the following characteristics do all
habitats share? All habitats—
A provide the resources necessary for its living
components
B are cold in the winter and hot in the summer
C have the same types of plants and animals living
in them
D exist only on dry land or in freshwater lakes
42. Which of the following characteristics do all
habitats share? All habitats—
A provide the resources necessary for its living
components
B are cold in the winter and hot in the summer
C have the same types of plants and animals living
in them
D exist only on dry land or in freshwater lakes
43. Which of the following is a living component of
a desert in Texas?
A
B
C
D
Low rainfall
Hot temperature
Polar bear
Horned lizard
43. Which of the following is a living component of
a desert in Texas?
A
B
C
D
Low rainfall
Hot temperature
Polar bear
Horned lizard
44. A community of living and non-living things
that interact is called—
A
B
C
D
a life cycle
an ecosystem
a water cycle
a population
44. A community of living and non-living things
that interact is called—
A
B
C
D
a life cycle
an ecosystem
a water cycle
a population
45. A dry ecosystem where plants and animals
are adapted to live with little water is called
a—
A
B
C
D
desert
tundra
savanna
taiga
45. A dry ecosystem where plants and animals
are adapted to live with little water is called
a—
A
B
C
D
desert
tundra
savanna
taiga
46.
46.
47. A fifth grade class went to the beach to explore and study
marine life. They put what they catch in a bucket, then
examine and classify it based on its physical features. Which
of the following provides the most suitable environment in
which to keep the organisms while the class is studying them?
A
B
C
D
Dry soil
Dry sand
Salt water
Fresh water
47. A fifth grade class went to the beach to explore and study
marine life. They put what they catch in a bucket, then
examine and classify it based on its physical features. Which
of the following provides the most suitable environment in
which to keep the organisms while the class is studying them?
A
B
C
D
Dry soil
Dry sand
Salt water
Fresh water
48.
48.
49. Tropical rain forests have more plant growth than any other
type of environment. This may be due to the fact that rain
forests get more rain than other environments. What is
another reasonable scientific explanation for rain forests
having the most plant growth?
A Temperatures are warm all year long in the rain forests.
B People do not cut down trees in the tropical rain forest.
C The leaves high in the forest canopy absorb most of the
sunlight.
D Many birds and insects in the rain forest eat plants.
49. Tropical rain forests have more plant growth than any other
type of environment. This may be due to the fact that rain
forests get more rain than other environments. What is
another reasonable scientific explanation for rain forests
having the most plant growth?
A Temperatures are warm all year long in the rain forests.
B People do not cut down trees in the tropical rain forest.
C The leaves high in the forest canopy absorb most of the
sunlight.
D Many birds and insects in the rain forest eat plants.
50.
50.
51. All of the following are needed for a fish to live in
an aquarium except —
A
B
C
D
food
sand
water
oxygen
51. All of the following are needed for a fish to live in
an aquarium except —
A
B
C
D
food
sand
water
oxygen
52. The job that a plant or animal does within
an ecosystem is called its—
A
B
C
D
habitat
energy source
niche
food web
52. The job that a plant or animal does within
an ecosystem is called its—
A
B
C
D
habitat
energy source
niche
food web
53.
53.
54. Why do some animals have to compete for
resources within an ecosystem?
A
B
C
D
They like to play games.
Some resources are limited.
They share the same habitat.
The trees shed their leaves.
54. Why do some animals have to compete for
resources within an ecosystem?
A
B
C
D
They like to play games.
Some resources are limited.
They share the same habitat.
The trees shed their leaves.
55.
55.
M.S. ?’s
56. What is one observable interaction of how
organisms live and survive in their environment?
A. Grass supplying food and oxygen to a rabbit
B. A deer providing oxygen and food to a shrub
C. Rocks and water eroding a hillside environment
D. A tree proving carbon dioxide for a squirrel
M.S. ?’s
56. What is one observable interaction of how
organisms live and survive in their environment?
A. Grass supplying food and oxygen to a rabbit
B. A deer providing oxygen and food to a shrub
C. Rocks and water eroding a hillside environment
D. A tree proving carbon dioxide for a squirrel
57. Ecology is the study of how living and nonliving things
interact. Which statement describes the relationship
between prairie dogs and the soil?
A. The prairie dog provides oxygen
B. The prairie dog cause the soil to erode
C. The soil provides a shelter for the prairie dogs
D. The soil provides nutrients for the prairie dogs
57. Ecology is the study of how living and nonliving things
interact. Which statement describes the relationship
between prairie dogs and the soil?
A. The prairie dog provides oxygen
B. The prairie dog cause the soil to erode
C. The soil provides a shelter for the prairie dogs
D. The soil provides nutrients for the prairie dogs
58. Specific environments meet the needs of organisms. The school
aquarium below shows what is needed for these organisms to survive in
their environment. The aquarium pictured is a good model of—
A. a terrarium
B. An ecosystem
C. a tide pool
D. a swamp
58. Specific environments meet the needs of organisms. The school
aquarium below shows what is needed for these organisms to survive in
their environment. The aquarium pictured is a good model of—
A. a terrarium
B. An ecosystem
C. a tide pool
D. a swamp
59. Which of the following nonliving elements do all
living organisms depend on for survival?
A. water, grass, air
B. sun, air, water
C. soil, sun, water
D. water, rocks, air
59. Which of the following nonliving elements do all
living organisms depend on for survival?
A. water, grass, air
B. sun, air, water
C. soil, sun, water
D. water, rocks, air
Title A
Living Organisms
Title B
Prairie Dog
Soil, water, air, food
Bison
Plants, water, air
Jackrabbit
Plants, water, air
Snake
Animals, water, soil, air
Grass
Water, soil, air
60. Which title would be most appropriate for Title A?
A. Prairie Ecosystem
B. Plants and Animals on a Prairie
C. Prairie Climate and Weather Conditions
D. Prairie Life Survival Skills
Title A
Living Organisms
Title B
Prairie Dog
Soil, water, air, food
Bison
Plants, water, air
Jackrabbit
Plants, water, air
Snake
Animals, water, soil, air
Grass
Water, soil, air
60. Which title would be most appropriate for Title A?
A. Prairie Ecosystem
B. Plants and Animals on a Prairie
C. Prairie Climate and Weather Conditions
D. Prairie Life Survival Skills
Title A
Living Organisms
Title B
Prairie Dog
Soil, water, air, food
Bison
Plants, water, air
Jackrabbit
Plants, water, air
Snake
Animals, water, soil, air
Grass
Water, soil, air
61. Which title would best replace Title B?
A. Animal Survival Needs
B. Competition between Living and Nonliving Elements
C. Survival Needs
D. Nonliving Elements
Title A
Living Organisms
Title B
Prairie Dog
Soil, water, air, food
Bison
Plants, water, air
Jackrabbit
Plants, water, air
Snake
Animals, water, soil, air
Grass
Water, soil, air
61. Which title would best replace Title B?
A. Animal Survival Needs
B. Competition between Living and Nonliving Elements
C. Survival Needs
D. Nonliving Elements
62. Which best describes how the Strangler Fig interacts with its ecosystem
in order to survive?
-In the rainforest, Strangler Fig seedlings begin growing on other trees,
wrapping roots around the host tree. When the roots reach the ground, the
Strangler Fig takes root and grows larger than the host tree, taking nutrients
form the host tree and growing to the height of the rainforest canopy.
A. The fig produces its own food and does not use nutrients from other trees.
B. The rainforest floor does not receive much sunlight, so the fig must
compete for sunlight and nutrients
C. The fig roots rot in the wet rainforest
D. The fig needs drier climate than other rainforest plants, so the fig must
grow to reach sunny areas.
62. Which best describes how the Strangler Fig interacts with its ecosystem
in order to survive?
-In the rainforest, Strangler Fig seedlings begin growing on other trees,
wrapping roots around the host tree. When the roots reach the ground, the
Strangler Fig takes root and grows larger than the host tree, taking nutrients
form the host tree and growing to the height of the rainforest canopy.
A. The fig produces its own food and does not use nutrients from other trees.
B. The rainforest floor does not receive much sunlight, so the fig must
compete for sunlight and nutrients
C. The fig roots rot in the wet rainforest
D. The fig needs drier climate than other rainforest plants, so the fig must
grow to reach sunny areas.
63. In Africa, lions chase and kill their prey. The lion family eats
all it wants and then vultures come and finish the rest. The
interaction between the lions and vultures is an example of –
A. the lion not being harmed by the relationship and the vultures
benefiting
B. the lion benefitting from the relationship and the vultures
being harmed
C. the lions benefiting by consuming the vultures as food
D. both the lion and the vultures competing with one another
for food
63. In Africa, lions chase and kill their prey. The lion family eats
all it wants and then vultures come and finish the rest. The
interaction between the lions and vultures is an example of –
A. the lion not being harmed by the relationship and the vultures
benefiting
B. the lion benefitting from the relationship and the vultures
being harmed
C. the lions benefiting by consuming the vultures as food
D. both the lion and the vultures competing with one another
for food
64. Scientists observe that the deer populations is growing and
worry there will not be enough plants for the deer during the
winter. Why are the scientists worried about the deer and not
the plants?
A. The deer need plants to eat, but the plants only need sunlight
and water.
B. The deer need water stored in the plants in the winter, but
the plants do not.
C. The plants are nonliving elements.
D. The plants use oxygen which deer need in order to survive.
64. Scientists observe that the deer populations is growing and
worry there will not be enough plants for the deer during the
winter. Why are the scientists worried about the deer and not
the plants?
A. The deer need plants to eat, but the plants only need sunlight
and water.
B. The deer need water stored in the plants in the winter, but
the plants do not.
C. The plants are nonliving elements.
D. The plants use oxygen which deer need in order to survive.
65. Colorado elk need food, water, and air to sustain their
population. Based on this information, what statement is true
regarding the elk’s ecosystem?
A. Elk lack dependence on living and nonliving elements in their
environment.
B. Too many factors limit the elk’s survival within their
ecosystem.
C. Living organisms are independent of nonliving elements
within the ecosystem.
D. Living and nonliving factors work together to keep the elk’s
ecosystem functioning.
65. Colorado elk need food, water, and air to sustain their
population. Based on this information, what statement is true
regarding the elk’s ecosystem?
A. Elk lack dependence on living and nonliving elements in their
environment.
B. Too many factors limit the elk’s survival within their
ecosystem.
C. Living organisms are independent of nonliving elements
within the ecosystem.
D. Living and nonliving factors work together to keep the elk’s
ecosystem functioning.
66. When studying ecosystem interactions, student collected
living and nonliving objects found in the schoolyard, and took
them back to the classroom to observe. Which science
equipment would be important to use while collecting objects
outdoors?
A. terrariums
B. Gloves
C. thermometers
D. notebooks
66. When studying ecosystem interactions, student collected
living and nonliving objects found in the schoolyard, and took
them back to the classroom to observe. Which science
equipment would be important to use while collecting objects
outdoors?
A. terrariums
B. Gloves
C. thermometers
D. notebooks
2007
2009
2011
2013
Goby fish
200
275
350
250
Shrimp
198
279
348
?
67. A burrowing shrimp with poor eyesight digs a hole in the sand for both it
and the goby fish to live. When danger approaches, the fish touches the
shrimp’s tail and they both hide in the hole. Based on the population chart
above, predict what will happen to the shrimp population in 2013?
A. increase
B. decrease
C. stay the same
D. Die out completely
2007
2009
2011
2013
Goby fish
200
275
350
250
Shrimp
198
279
348
?
67. A burrowing shrimp with poor eyesight digs a hole in the sand for both it
and the goby fish to live. When danger approaches, the fish touches the
shrimp’s tail and they both hide in the hole. Based on the population chart
above, predict what will happen to the shrimp population in 2013?
A. increase
B. decrease
C. stay the same
D. Die out completely
68. Dogs and ticks share the same ecosystem. How do dogs
and ticks interact within an ecosystem?
A. Ticks benefits by feeding on dogs’ blood.
B. Dogs benefit by obtaining nutrients from ticks.
C. Neither dogs nor ticks benefit from the relationship.
D. Both dogs and ticks benefit from the relationship.
68. Dogs and ticks share the same ecosystem. How do dogs
and ticks interact within an ecosystem?
A. Ticks benefits by feeding on dogs’ blood.
B. Dogs benefit by obtaining nutrients from ticks.
C. Neither dogs nor ticks benefit from the relationship.
D. Both dogs and ticks benefit from the relationship.
69. For protection, hermit crabs use gastropod shells to hide
their bodies so that only their heads are visible. Students plan
to research why the population of hermit crabs has been
decreasing. One question they should ask is—
A. Who has a hermit crab for a pet?
B. Do hermit crabs make sounds?
C. What colors are hermit crabs?
D. Have any changes occurred in their ecosystem?
69. For protection, hermit crabs use gastropod shells to hide
their bodies so that only their heads are visible. Students plan
to research why the population of hermit crabs has been
decreasing. One question they should ask is—
A. Who has a hermit crab for a pet?
B. Do hermit crabs make sounds?
C. What colors are hermit crabs?
D. Have any changes occurred in their ecosystem?
70. After observing an outdoor ecosystem, a student wrote the following
conclusion in a science notebook:
Ecosystems are only made of living things.
Was the the students’ conclusion logical?
A. Yes, because ecosystems are made of living things that interact.
B. No, because ecosystems are made of living and nonliving things that
interact.
C. Yes, because ecosystem is another name for habitat.
D. No, because an ecosystem has nothing to do with living things.
70. After observing an outdoor ecosystem, a student wrote the following
conclusion in a science notebook:
Ecosystems are only made of living things.
Was the the students’ conclusion logical?
A. Yes, because ecosystems are made of living things that interact.
B. No, because ecosystems are made of living and nonliving things that
interact.
C. Yes, because ecosystem is another name for habitat.
D. No, because an ecosystem has nothing to do with living things.
71. Tundra plants are often dark in color because dark colors
absorb more heat from the Sun. This adaptation helps them
survive in the tundra’s—
A. blazing temperatures
B. dramatic climate changes
C. frigid temperatures
D. changing land surface
71. Tundra plants are often dark in color because dark colors
absorb more heat from the Sun. This adaptation helps them
survive in the tundra’s—
A. blazing temperatures
B. dramatic climate changes
C. frigid temperatures
D. changing land surface
72. Marsh ecosystems provide habitats for a variety of plants
and animals. All of the following animals are supported by the
marsh EXCEPT—
A. frogs
B. whales
C. salamanders
D. fish
72. Marsh ecosystems provide habitats for a variety of plants
and animals. All of the following animals are supported by the
marsh EXCEPT—
A. frogs
B. whales
C. salamanders
D. fish
73. Changes in other parts of the world can affect an
environment. For example, a volcano erupting in Mexico can
decrease the temperature of the entire world for several years.
This is why it is important to take care of our environment
though —
A. exploration
B. transpiration
C. destruction
D. conservation
73. Changes in other parts of the world can affect an
environment. For example, a volcano erupting in Mexico can
decrease the temperature of the entire world for several years.
This is why it is important to take care of our environment
though —
A. exploration
B. transpiration
C. destruction
D. conservation
74. Which question is vital for understanding environments and
their ability to support populations and communities within an
ecosystem?
A. What types of fossil fuels are found in the environment?
B. What is the climate and geography like in the environment?
C. What is the ratio of human and animal populations?
D. How far is the environment from the equator?
74. Which question is vital for understanding environments and
their ability to support populations and communities within an
ecosystem?
A. What types of fossil fuels are found in the environment?
B. What is the climate and geography like in the environment?
C. What is the ratio of human and animal populations?
D. How far is the environment from the equator?
75. Coral reefs and fish that live in them are very delicate. Reefs will not
form or survive in water that is below 17ºC or above 30ºC. What possible
effect could a steep rise in water temperature have on animals living in a
coral reef?
A. Coral will not survive, and other marine live will compete for the use of the
existing coral.
B. Coral will survive, and animals will have a place to live.
C. Coral will grow out of control, and food sources will run low.
D. Coral will grow very rapidly, and the animals that live in it will leave due to
overpopulation.
75. Coral reefs and fish that live in them are very delicate. Reefs will not
form or survive in water that is below 17ºC or above 30ºC. What possible
effect could a steep rise in water temperature have on animals living in a
coral reef?
A. Coral will not survive, and other marine live will compete for the use of the
existing coral.
B. Coral will survive, and animals will have a place to live.
C. Coral will grow out of control, and food sources will run low.
D. Coral will grow very rapidly, and the animals that live in it will leave due to
overpopulation.
76. A forest is teaming with life. Birds, insects, fungi, plants,
and other animals all depend on their forest home. Which
inhabitant of the forest is most dependent on the decaying
plant and animal life of the forest?
A. reptiles
B. Insects
C. mammals
D. fish
76. A forest is teaming with life. Birds, insects, fungi, plants,
and other animals all depend on their forest home. Which
inhabitant of the forest is most dependent on the decaying
plant and animal life of the forest?
A. reptiles
B. Insects
C. mammals
D. fish
77. What would a group of five cats living in the same
environment be called?
A. an ecosystem of cats
B. a community of cats
C. a bunch of cats
D. a population of cats
77. What would a group of five cats living in the same
environment be called?
A. an ecosystem of cats
B. a community of cats
C. a bunch of cats
D. a population of cats
78. Which of the following animals will most likely be
supported in an environment that has a high temperature and
rainfall year round?
A. poison dart frog
B. polar bear
C. kangaroo rat
D. emperor penguin
78. Which of the following animals will most likely be
supported in an environment that has a high temperature and
rainfall year round?
A. poison dart frog
B. polar bear
C. kangaroo rat
D. emperor penguin
79. All of the following are reasons why it is important to care
for the environment EXCEPT—
A. to support life
B. to neglect wildlife
C. to prevent extinction
D. to protect animals
79. All of the following are reasons why it is important to care
for the environment EXCEPT—
A. to support life
B. to neglect wildlife
C. to prevent extinction
D. to protect animals
80. Students take a field trip to the woods to study the
different communities on a rotting log. They expect to find
many different insects. A safety rule to remember when they
investigate the log is—
A. always wear sandals in the woods
B. scream when an insect is seen
C. do not pick up insects with bare fingers
D. talk quietly so the animals will not be frightened
80. Students take a field trip to the woods to study the
different communities on a rotting log. They expect to find
many different insects. A safety rule to remember when they
investigate the log is—
A. always wear sandals in the woods
B. scream when an insect is seen
C. do not pick up insects with bare fingers
D. talk quietly so the animals will not be frightened
81. Students took a walk one day to a pond near the school to
look for turtles. They saw no turtles. The students decided
there were no turtles at the pond. What was wrong with their
conclusion?
A. Only the boys looked for turtles.
B. They only looked for turtles one day.
C. They did not go to the right place.
D. The turtles moved to a new pond.
81. Students took a walk one day to a pond near the school to
look for turtles. They saw no turtles. The students decided
there were no turtles at the pond. What was wrong with their
conclusion?
A. Only the boys looked for turtles.
B. They only looked for turtles one day.
C. They did not go to the right place.
D. The turtles moved to a new pond.
82. Students set up 2 environments to see which one best
supported the growth of hibiscus flowers. One environment
was created as a desert, using sandy soil. The plant was
exposed to high temperatures. The other environment was
created as a tropical forest, using loamy soil. And exposing the
plant to high temperatures. What was the variable used in the
investigation??
A. temperature
B. environment
C. type of flower
D. Amount of sunlight
82. Students set up 2 environments to see which one best
supported the growth of hibiscus flowers. One environment
was created as a desert, using sandy soil. The plant was
exposed to high temperatures. The other environment was
created as a tropical forest, using loamy soil. And exposing the
plant to high temperatures. What was the variable used in the
investigation??
A. temperature
B. environment
C. type of flower
D. Amount of sunlight
83. In groups, students created dioramas to depict different ecosystems and
their physical characteristics. One of the dioramas is pictured. Why are
dioramas useful for study environments?
A. The model gives students an idea of how different environments appear.
B. The diorama is a useful chart for collecting data on environments.
C. A diorama is an accurate tool for measuring environmental changes.
D. Students can use a diorama to set up an investigation that tests one
variable.
83. In groups, students created dioramas to depict different ecosystems and
their physical characteristics. One of the dioramas is pictured. Why are
dioramas useful for study environments?
A. The model gives students an idea of how different environments appear.
B. The diorama is a useful chart for collecting data on environments.
C. A diorama is an accurate tool for measuring environmental changes.
D. Students can use a diorama to set up an investigation that tests one
variable.