Transcript Life Science

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Cells-A
Cells-B
Repro
Inherit-C
Repro
Inherit-D
ECO-E
ECO-F
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The diagram represents a process that occurs
in the cells of a plant. What process is
illustrated?
A.Cell Division
B.Reproduction
C.Photosynthesis
D.Cellular Respiration
A 100
C. Photosynthesis
A 100
Which of these groups contains only animals
that are vertebrates?
A.Bear, lion, whale
B.Dog, bear, octopus
C.Earthworm, crayfish, snail
D.Lobster, earthworm, goldfish
A 200
A. Bear, lion, whale
A 200
There are several differences between plant
and animal cells. What is one structure of
plant cells that animal cells lack?
A.Nucleus
B.Chloroplasts
C.Cell Membrane
D.DNA
A 300
B. Chloroplasts
A 300
What does the illustration show?
A.A cell membrane
B.A piece of tissue
C.An organ system
D.A unicellular organism
A 400
B. A piece of tissue
A 400
Plants can survive in a clear, closed container with
water and nutrients but without animals. Animals
cannot survive in a closed container without plants.
Why are animals unable to survive without plants?
A. Plant and animal cells need water to survive.
B. Plants cannot move, while animals can roam
around.
C. Plant cells can create their own food, but animals
cannot.
D. Plants take in and give off water; animals only take
in water.
A 500
C. Plant cells can create their own
food, but animals cannot.
A 500
A student is creating a diagram to show how
photosynthesis works. In addition to the
plant’s leaves, what would be essential to
include in the diagram?
A.The bark since it protects the stem.
B. The roots because they bring in water.
C. The soil since it holds the plant in the
ground.
D.Bacteria since they provide nitrogen to the
plant.
B 100
B. The roots because they bring
in water.
B 100
IN a multicellular organism, such as a
spider, which of these is made up of all
the others?
A.Cells
B.Tissues
C.Organs
D.Organ systems
B 200
D. Organ systems
B 200
What cellular process converts energy
from sunlight into chemical energy that
organisms can use?
A.Respiration, which uses oxygen
B.Digestion, which breaks down nutrients
C.Fermentation, which breaks down sugars
D.Photosynthesis, which produces a form of
sugar
B 300
D. Photosynthesis, which
produces a form of sugar
B 300
In what process does a cell break down
sugars to obtain energy for its
functions?
A.Digestion
B.Circulation
C.Respiration
D.Transportation
B 400
C. Respiration
B 400
Which of these organisms has a radial
body plan?
A.Maple tree
B.Amoeba
C.Jellyfish
D.Eagle
B 500
A. Maple Tree
B 500
Pea plants have a covering on their seeds, known as
a pod. A green pod is the dominant trait, and a
yellow pod is a recessive trait. Which statement
must be true for the parents of a plant with a
yellow pod?
A. One parent had two genes for a green pod.
B. One parent had two genes for a yellow pod.
C. Both parents had at least one gene for a green
pod.
D. Both parents had at least one gene for a yellow
pod.
C 100
D. Both parents had at least one
gene for a yellow pod.
C 100
For a certain type of cat, the gene for black fur is
dominant while the gene for brown fur is
recessive. Two cats with black fur produce an
offspring with brown fur. Which best describes
the genes of the parent cats?
A. Both parents carry one recessive gene.
B. Neither parent carries the recessive gene.
C. One parent carries two recessive genes, but the
other does not.
D. One of the parents carries the recessive gene, but
the other parent does not.
C 200
A. Both parents carry one
recessive gene.
C 200
Where are the instruction for the inherited
traits of an organism found?
A.Cell wall
B.Cell membrane
C.DNA molecules
D.Glucose molecules
C 300
C. DNA molecules
C 300
DAILY
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C 400
What is an important advantage of asexual
reproduction?
A.It creates new genetic combinations.
B.It insures there will be genetic continuity.
C.Each offspring is different from its parents.
D.It readily adapts to environmental changes.
C 400
B. It insures there will be genetic
continuity.
C 400
Which is an example of an inherited
trait?
A.Mrs. Smith is five feet tall.
B.Aiesha has learned about algebra.
C.Dwayne eats ice cream every night.
D.Mr. Smith is worried about his daughter’s
grades.
C 500
A. Mrs. Smith is five feet tall.
C 500
Which is an example of sexual
reproduction?
A.Bacteria cells divide.
B.A starfish grown a new arm.
C.An egg is fertilized by a sperm.
D.A new plant develops from a piece of an
old one.
D 100
C. An egg is fertilized by a
sperm.
D 100
A scientist observed bacteria cells under the microscope
and carefully recorded her observations.
What process was the scientist observing?
A. Photosynthesis
B. Cellular respiration
C. Sexual reproduction
D. Asexual reproduction
D 200
D. Asexual reproduction
D 200
Which is an example of a characteristic
that Carl learned from his parents?
A.Blue eyes
B.Brown hair
C.Long, thin fingers
D.Ability to paint
D 300
D. Ability to paint
D 300
Young spiders spin webs to catch insects
to eat. Hoe do young spiders learn to
build their webs?
A.They practice this skill each day.
B.They learn from watching other spiders.
C.The inherit this trait from their parents.
D.They build webs in response to their
environment.
D 400
C. The inherit this trait from
their parents.
D 400
A large population of houseflies was sprayed with
an insecticide. However, a great number of
houseflies were unaffected by this insecticide.
What would best explain this situation?
A. A species’ traits tend to remain unchanged.
B. The houseflies were able to avoid the insecticide.
C. The environment for houseflies changed
favorably.
D. Variations in traits permitted many of the
houseflies to survive.
D 500
D. Variations in traits permitted
many of the houseflies to
survive.
D 500
Which of the illustrations below
represents an ecosystem?
E 100
E 100
Which can be described as a species
population in an ecosystem?
A.All the honey bees in an orchard.
B.All the plants and animals in a pond.
C.All the nonliving conditions in an area.
D.All living things in the Earth’s atmosphere.
E 200
A. All the honey bees in an
orchard.
E 200
Which evidence best demonstrates that different
organisms in an ecosystem depend on each other?
A. Parasites often kill their hosts.
B. Plants are able to convert light into chemical
energy.
C. Different environments support different species
of organisms.
D. Animals eat plants while pants need nutrients
from decomposed animals.
E 300
D. Animals eat plants while
pants need nutrients from
decomposed animals.
E 300
What does this diagram illustrate?
A.The extinction of a species.
B.Equilibrium in an ecosystem.
C.A succession of ecological changes.
D.The recycling of nutrients in an ecosystem.
E 400
C. A succession of ecological
changes.
E 400
What is the basic source of energy for all
ecosystems?
A.Solar energy, which is converted by plants.
B.Nuclear energy, which is stored in Earth’s
resources.
C.Electrical energy, which comes from water
vapor in the air.
D.Kinetic energy, which is produced by the
motion of animals.
E 500
A. Solar energy, which is
converted by plants.
E 500
Which of the following best completes
the food web illustration below?
A.Trees
B.Fish
C.Rabbit
D.Hawk
F 100
C. Rabbit
F 100
Which of these four species of bear would be most in
danger of becoming extinct if environmental changes
made some of their food sources unavailable?
A. Polar Bear
B. Black Bear
C. Brown Bear
D. Panda Bear
F 200
D. Panda Bear
F 200
Based on its diet, how should the snowshoe hare be classified?
A. Predator
B. Producer
C. Consumer
D. Decomposer
F 300
C. Consumer
F 300
Since foxes, coyotes, and weasels hunt snowshoe hares,
how should these hunting animals be classified?
A. Predators
B. Parasites
C. Producers
D. Decomposers
F 400
A. Predators
F 400
Corals get about 90 percent of their food from algae
that live inside coral tissues. The algae provide
carbohydrates for the corals. The corals provide
shelter and nitrogen for the algae. What type of
relationship does this illustrate?
A. Parasitism
B. Predation
C. Mutualism
D. Commensalism
F 500
C. Mutualism
F 500
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