22. Evolution of Populations
Natural Selection
Multiple Choice
Multiple ChoiceIn a 1990 study on caribou by Barrette and Vandal in Behavioral Ecology and Sociobiology, it was observed that in confrontations between male caribou, the males with the larger antlers won 90% of the time. If this is a case of purely intrasexual selection, what else would you expect to be true?
A
Fighting is a display trait, and females choose males with the larger antlers.
B
Males with the larger antlers would be expected to provide more paternal care.
C
Winning a confrontation provides males access to more breeding females.
D
Winning confrontations would signal to females that the male has higher fitness.
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