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Evolution Review
Test Description: This is a review for Unit: Evolution
Instructions: Answer all questions to get your test result.
1) Which of the following statements explains genetic variation?
A
it is an inheritance of an acquired habit
B
genetic mutations occur during the process of reproduction
C
asexual reproduction provides opportunities for new combinations
2) Which of the following could cause the extinction of a species?
A
All answers are correct
B
environmental change
C
loss of food source
D
disease
3) “Diversity of species” refers to the idea that:
A
organisms of the same species share the same species name
B
organisms can be classified
C
there are many different kinds of organisms
D
not every individual in a species is identical
4) Answer True or False: Extinct organisms may be related to living organisms
A
False
B
True
5) Answer True or False: Organisms have evolved only over the last few hundred years
A
False
B
True
6) Which of the following statements explains genetic variation?
A
it is an inheritance of an acquired habit
B
asexual reproduction provides opportunities for new combinations
C
genetic mutations occur during the process of reproduction
7) Over long periods of time, some species have become extinct, while new species have descended from earlier species. These changes are known as:
A
adaptation
B
natural section
C
evolution
D
mutation
8) Variation is the result of:
A
environment
B
a random occurrence of a mutations due to genes
C
an organism consciously adapting to the environment
9) The ability of populations of bacteria to develop resistance to antibiotics is an example of which of the following?
A
natural selection
B
specialization
C
competition
D
ineffective medication
10) What is Taxonomy?
A
A group of organisms with similar characteristics and evolutionary history
B
the branch of science concerned with classification of organisms
C
Something that is helpful in forming a conclusion and is supported by data.
11) Which must vary among organisms in order to create adaptations that help those organisms survive?
A
chemical balance
B
body composition
C
physical appearance
D
Genes
12) Which demonstrates genetic variation resulting in a protective adaptation?
A
A groundhog runs into a burrow to avoid a predator.
B
A beaver builds a dam to protect its family.
C
A butterfly changes colors to look like its poisonous relatives.
D
A bird in the desert breeds at night to avoid the heat.
13) Which characteristic of organisms allows them to adapt to problems in their environment?
A
genetic variation
B
genetic isolation
C
genetic drift
D
Artificial selection
14) Which represents an adaptation?
A
a cat that cannot see in the dark
B
a dog that learns to bark when someone knocks on the door
C
a bird with a curved wing that allows it to fly faster
D
a turtle with a damaged shell
15) Polar bears are naturally found in Arctic environments characterized by snow, ice, and extremely low temperatures. Which best describes an evolutionary adaptation that allows polar bears to survive in this environment?
A
Polar bears are warm-blooded.
B
Polar bears are born in the Artic
C
Polar bears have a thick layer of fur and a layer of fat under their skin.
D
Polar bears are carnivores.
16) Which best describes an inherited trait that gives an organism a survival advantage in its particular environment?
A
a habit
B
an offspring
C
an adaptation
D
a mutation
17) The changes in species through time is known as what?
A
Evolution
B
Adaptation
C
Variation
D
Genes
18) Any inherited characteristic that increases an organism’s chance for survival and reproduction
A
Adaptation
B
Natural Selection
C
Variation
D
Evolution
19) A specific version of a characteristic that varies from one individual to another.
A
species
B
Genes
C
Adaptation
D
Trait
20) Which best describes what would occur in a species that has little or no genetic variation?
A
The rate of species survival would increase over time.
B
Most of the offspring would survive, but the gene pool would be weakened.
C
Most of the offspring would survive, and the gene pool would be strengthened.
D
The rate of species survival would decrease over time.
*select an answer for all questions
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