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Evolution Review
Test Description: Biology 1B final test
Instructions: Answer all questions to get your test result.
1) Which of the following can occur when a population is geographically isolated from another population?
A
mimicry
B
speciation
C
convergence
D
replication
2) A change in structure, behavior, or physiology that enhances survival and reproductive success in a particular environment is called
A
genetic drift
B
mimicry
C
gene flow
D
adaptation
3) The genetic change in populations that gives rise to new life forms from common ancestors is :
A
gene flow
B
genetic drift
C
evolution
D
natural selection
4) What is the best explanation for similar bone structures seen in vertebrates?
A
common ancestors
B
fossils
C
survival of the fittest
D
gene flow
5) When is evolution most likely to occur?
A
when there is shelter for all animals
B
when there is a competition for resources
C
when there is plenty of food
D
when there are no predators
6) What explains genetic variations in mice living in 2 different areas?
A
They were injured during their lifetime, so these new traits were handed down to the offspring
B
Mutation and sexual recombination both created new variations in body size
C
They needed to adapt to survive, so favorable traits developed
D
They wanted to be different, so traits appeared
7) What does a paleontologist study?
A
biochemistry
B
fossils
C
Human genetics
D
Animal behavior
8) This term refers to how species vary at the ecosystem, species, and genetic levels.
A
genetic flow
B
natural selection
C
biodiversity
D
convergence
9) Over long periods of time, some taxa have become extinct, while new taxa have evolved. This refers to:
A
microevolution
B
adaptation
C
macroevolution
D
artificial selection
10) Geologic time periods are determined by:
A
an equal number of years
B
the origin and extinction of taxa
C
the depth of sediments in rock layers
D
the activity of rock layers
11) Finches are closely related species of birds. Over time, beaks evolved for each location of birds based on food availability. This is an example of:
A
gene flow
B
coevolution
C
sexual selection
D
adaptive radiation
12) These are the longest remaining taxa on Earth.
A
birds
B
multi-cellular organisms
C
single-celled organisms
D
snakes
13) A man loses is arm in an auto accident. He is worried that his children will be born with missing arms as well. The problem is:
A
acquired characteristics during lifetime cannot be passed to offspring
B
the offspring could have a need for 1 arm and therefore be passed on
C
the offspring are less likely to survive
D
only some of the offspring will be born with missing arms
14) White moths are easily seen in a black forest, so predators eat them. The black moths survive because:
A
they fight predators off better
B
they are more fit because of their black coloring
C
they need to be black in order to reproduce
D
they fly faster
15) Black moths being able to survive in a black forest better than white moths because of their coloration is known as:
A
variation
B
natural selection
C
evidence
D
mutation
16) Gorillas compete to become the dominant male in their group. Unsuccessful males are less likely to mate than successful ones. This is an example of:
A
adaptive radiation
B
sexual selection
C
homology
D
gene flow
*select an answer for all questions
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