Answers24 - 25 CR - Biology B 0411KBLab: Natural Selection-Standard Bio 4.2

Lab: Natural Selection-Standard Bio 4.2 — Unit test Answers

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A population of rabbits has individuals with fur coloring that ranges from white to brown. The population lives in a temperate deciduous forest where the summers are mild and average about 50°F. The winters are often below freezing. If warmer temperatures last longer into the fall and the average temperature in the winter is getting warmer, what do you expect to happen to the population?

A
The percentage of the population with brown fur will decrease.
B
The percentage of the population with white fur will decrease.
C
The population will increase in size, but the color percentages will remain unchanged.
D
The population will decrease in size, but the color percentages will remain unchanged.
23

Genetic drift in a population affects the gene pool in which of the following ways?

A
decrease in genetic variation
B
increase in genetic variation
C
increased in mutations
D
decreased in gene flow
24

What do scientists need to look at before developing an argument?

A
The validity of data, claims, hypotheses, and observations.
B
Their opinion and personal views.
C
The arguments of famous people on the topic.
D
The arguments that make the most sense for society.
25

What is the value of a transitional fossil?

A
Transitional forms show the evolutionary steps between species.
B
Transitional forms are analogous fossils.
C
Transitional forms discredit the theory of evolution.
D
Transitional forms are proof of punctuated equilibrium in evolution.

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Lab: Natural Selection-Standard Bio 4.2 — Unit…