In Endler's (1980) studies, the evolution of male guppy coloration is affected by predation and sexual selection. What effect on brightness do the two forces have?

A. Predation: increases; Sexual selection: decreases
B. Predation: decreases; Sexual selection: increases
C. Predation: decreases; Sexual selection: decreases
D. Predation: increases; Sexual selection: increases


Answer: B. Predation: decreases; Sexual selection: increases

Biology & Microbiology

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