Card 9 / 112: Male elk with large groups of mating females, or harems, tend to have individually specific phenotypic traits including large antlers and body size. If a male with a smaller body size is seen with a large group of females, then which advantage is most likely in effect for these females to choose this male?
A) Direct benefits
B) "Sexy Sons"
C) Good Genes Hypothesis
D) Red Queen Hypothesis

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