Factors Affecting Biological Diversity

Question 1

A population of deer is separated by an emerging volcano. The two populations come back into contact 200 years later, but are incapable of breeding. Which of the following best describes the process that occurred?

Revolt · Accepted Answer

speciation

Question 2

Results in new species: directional selection✔ disruptive selectionstabilizing selection

Revolt · Accepted Answer

✔ disruptive selection

Question 3

Favors traits at the two extremes: directional selection✔ disruptive selectionstabilizing selection

Revolt · Accepted Answer

✔ disruptive selection

Question 4

One extreme trait is favored: ✔ directional selectiondisruptive selectionstabilizing selection

Revolt · Accepted Answer

✔ directional selection

Question 5

Diversity decreases: directional selectiondisruptive selection✔ stabilizing selection

Revolt · Accepted Answer

✔ stabilizing selection

Question 6

Diversity increases: directional selection✔ disruptive selectionstabilizing selection

Revolt · Accepted Answer

✔ disruptive selection

Question 7

Which piece of evidence would most go against the scientist’s argument and suggest that the butterflies are actually different species?

Revolt · Accepted Answer

The butterflies have different mating seasons.

Question 8

Which graph best represents disruptive selection?

Revolt · Accepted Answer

Graph A

Question 9

Which graph best represents directional selection?

Revolt · Accepted Answer

Graph B

Question 10

Question 11

Revolt · Accepted Answer

directional selection; disruptive selection; stabilizing selection

Factors Affecting Biological Diversity Answers

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