Unit Test — Unit test

Question 1

Which of the following is an example of reproductive isolation?

Revolt · Accepted Answer

two populations of finches that cannot produce viable offspring

Question 2

A male cardinal’s red color is an example of a trait affected by natural selection. The females of the species choose mates based on the vibrant colors of the males’ feathers. If females begin using different criteria than feather color when they choose mates, what would most likely happen to the color of the male cardinals over time?

Revolt · Accepted Answer

increased variation in the shades of red because there is no advantage in one specific color

Question 3

Charles Darwin hypothesized that some individuals would be better equipped for survival than others, and that those that were less equipped would not survive. Darwin formulated this hypothesis based on the work of which scholar?

Revolt · Accepted Answer

Thomas Malthus, who studied population growth

Question 4

Evolution is change in a population over time and includes the gene pools of that population. How does biogeographic isolation allow for the change of gene pools over time?

Revolt · Accepted Answer

Biogeographic isolation causes changes in gene pools that result from populations being separated.

Question 5

Natural selection is a process by which organisms that are better adapted to their environment tend to

Revolt · Accepted Answer

survive.

Unit Test — Unit test Answers

More from this Course

TRY EDGENUITY HACKS