550 AP Biology Practice Questions by Princeton Review

Author:Princeton Review [Review, The Princeton]
Language: eng
Format: epub, pdf
ISBN: 978-0-8041-2489-8
Publisher: Random House Children's Books
Published: 2014-10-27T16:00:00+00:00

19. The rates of evolution vary greatly depending upon the trait and species involved. The coloration of the peppered moth changed rapidly over the 200 years beginning with the Industrial Revolution, whereas the increase in size and color of the peacock tail took far longer over thousands of years. Why was the evolution of peppered moth coloration more rapid than the evolution of size and color of peacock tail feathers?

(A) There was a selective disadvantage to increasing the size of peacock tail feathers, which limited its evolution.

(B) There was a stronger selection in the case of peppered moths compared to that of peacock tail feathers.

(C) There were far fewer peppered moths than peacocks, thus changes in allelic frequency occurred more quickly.

(D) The peacocks were in Hardy-Weinberg equilibrium, whereas the peppered moths were not.

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