Transcript Science Review

Science Review
• Organisms that are better
adapted to their environment
survive and reproduce more
successfully than less well
adapted organisms do is
called?
Answer
• Natural Selection
• What do we call the
process by which
populations slowly
change over time?
Answer
•Evolution
•What is adaptation?
Answer
•When certain genes
make organisms more
likely to survive and
reproduce
•What do we call when
cat owners breed their
pets to produce
friendlier offspring?
Answer
•Selective breeding
• What do we call it when a
rabbit has 3 litters of 5
babies in litter a year?
Answer
•Overproduction
• What evidence of natural
selection is available
today that was not
available to Darwin?
Answer
There is great
variation among
organisms
•What is a species?
Answer
• A species is a distinct group of
animals or plants that have
common characteristics and
can breed with each other.
Your pet Spot, is a member of
the dog species.
• What is a hybrid?
• In biology a hybrid, also
known as cross breed, is
the result of mixing, through
sexual reproduction, two
animals or plants of different
breeds
What are some
examples of
hybrids?
What is a
disadvantage to
being a hybrid?
Answer
•They can’t mate
and have offspring
•What features did
whales possibly
inherit from a fourlegged ancestor?
Answer
• hip bones
• What is the closest relative to
the lizard?
Answer
•Snake
What are these?
Answer
•homologous
structures, because
they have similar
bones
• A wetland is a type of
_________.
Answer
• SWAMP
• Where would a bear with a
thick fur coat live?
ANSWER:
A Tundra
What animal can be found
in a wetland?
ANSWER
Alligator
What one word can be used
to describe a desert?
Answer: DRY
This biome has largest
number of animals and
plants?
ANSWER
Tropical Rain Forest
A hyena stealing food from a
vulture is an example of
______.
ANSWER
COMPETITION
When does competition
occur?
ANSWER
When 2 or more
organisms need the
same resources.
• A threadworm lives inside of an
animal. It feeds off of an animal.
The animal becomes unhealthy.
What is the threadworm?
ANSWER
A parasite
There are small fish that feed
from and clean out the mouths
of larger fish. The large fish
have clean teeth and the small
fish obtain their food. What
type of relationship is this?
ANSWER: Mutualistic
There are small birds that nest
beneath large bird of preys’ nests.
The small birds are not in danger but
they are protected from predators
because of their closeness to the
large birds. What kind of relationship
are the two birds in?
ANSWER
• Commensalistic
• Zebras and elephants must
get their water from the
same watering hole in a
certain region. What will
happen between the two?
ANSWER
• They must compete for the
water.
• Tapeworms live and feed off
of the digested food inside
an animal’s intestines. The
animal becomes sick. What
type of relationship is this?
ANSWER
• Parasitism
• Viruses will always have
what type of relationship
with its host?
ANSWER
• Parasitic
Draw and label a food web.
Africa’s ostriches, South America’s
rheas, Australia's emus, and New
Zealand’s moas all share many
similar characteristics. Geological
evidence shows that the 4 land
masses were once connected. What
statement would support Darwinian
ideas?
Answer
Organisms may
have been from a
common ancestor,
but may show
modifications due
to the
environment.
• What are these statements an
integral part of?
• Limited resources lead to struggle
where less fit individuals do not
survive.
• Populations have varieties of traits
that are genetically inherited.
• Some members of a population have
better chances at surviving and
reproducing than others.
ANSWER
• Darwin’s theory of evolution
by natural selection
• Large beaks are better at
opening large dry seeds and
smaller beaks are better at
picking up small seeds that
are abundant during wet
periods. According to
natural selection, what
should the beak size do
during a drought?
ANSWER
• INCREASE
TRUE OR FALSE
• According to natural
selection, individuals in a
population evolve to
become more complex, and
thus more fit to survive.
Answer
FALSE
Plants in the desert need to
conserve water. What
adaptation might a desert
plant have so it will survive?
Answer
• Thick leaves to store water
• Can the following question
be answered using the
theory of evolution?
• How has life on earth
changed?
Answer
YES!
What do fossils of ancient
organisms show?
Answer
How living things have
evolved since ancient times.
• Different species with
similar internal structures
and a fossil record provides
evidence of what?
answer
Evolution in organisms
What are vestigial
structures?
answer
Structures with no function
or importance to an
organism, but were
important to ancestral
species.
• As the surrounding areas
change, all organisms must
do what to survive?
Answer
Adapt
• How would a population of
moths with wing patterns
that look like tree bark affect
the moths?
Answer
• They would probably not be
eaten.
True or False:
According to natural
selection, well-adapted
animals will have trouble
reproducing.
answer
False
• What does a fossil record
show?
answer
Common ancestry and
changes over time
• A change in a populations’
traits and extinction can be
a possible result of ______
_____.
answer
Natural selection
• A certain banana tree
cannot make seeds to
reproduce. What type of
genetic engineering would
be best to make more
banana trees?
answer
• Vegetative propagation
• What type of genetic
engineering allows
genetically identical
offspring from a single cell?
Answer:
cloning
How do protists move?
answer
Using flagella or cilia.
How do Mitochondria get
usable energy?
answer
They break down nutrients
What is the function of a
vacuole?
answer
Store food, water, and
wastes
Organs form body systems
and body systems form
______.
answer
organisms
What is a tissue?
answer
A group of similar cells that
have the same role in an
organism.
The heart is an ______.
answer
organ
What is an example of a
covering tissue?
answer
skin
• The smallest unit of life is a ____.
answer
cell
Muscles contract and pull
the bone to make ______.
answer
Movement
In what kingdom do
organisms produce their
own food from the sun?
answer
Plant
Which kingdoms have a true
nucleus?
answer
Protista, Plant, Animal, and
Fungi
What is the sixth kingdom
that is recognized by
scientists?
answer
Eubacteria
In what kingdoms
do unicellular organisms not
have nuclei?
answer
Archaebacteria
Eubacteria
Many frogs live in the river.
If factories move near the
river and pollute it, what
might happen to the frogs?
answer
Might become extinct