Multiple Choice
A particular riparian population of spiders described in the text displayed more variability in their behavior, e.g., more of the highly aggressive territorial behavior typical of desert spiders, than was usual for riparian spiders. This was because this population
A) experienced an abrupt shift in its environment.
B) had become geographically isolated from other riparian populations for a long time.
C) suffered from a mutation caused by pesticides.
D) was not completely isolated from a population of desert spiders.
Correct Answer:

Verified
Correct Answer:
Verified
Q22: Negative assortative mating preserves genetic variation in
Q23: Shifts in gene frequency<br>A) are always due
Q24: The<u> comparative approach </u>identifies correlations between traits
Q25: Traits that have evolved because they allow
Q26: An <u>evolutionarily stable strategy </u>(ESS) is<br>A) a
Q28: The <u>strongest</u> conclusions regarding the role of
Q29: Which of the following is NOT an
Q30: When directional selection persists over time we
Q31: Traits may be correlated with one another
Q32: Before natural selection can operate upon a