ANT 322 Primate Biology and Behavior

Concepts and Terms to Study: Evolution and Sex

· Sexual Selection

o Secondary sexual characteristics: definition, purpose

o Intrasexual competition

o Reproductive potential: which sex is more limited and why? How does this affect behavior?

o Interbirth interval: definition; what effect does this have on fertility?

o Variance in reproductive success: what does this mean?

o Reproductive skew: definition, causes

o Operational sex ratio: definition, in what ways is an operational sex ratio different from a sex ratio?

· Sexual dimorphism

o Female choice: what does this refer to?

o How does sexual dimorphism relate to mating competition?

o Phylogenetic constraints: how does this relate to sexual dimorphism and sexual selection?

o Ecological constraints: how does this relate to sexual dimorphism and sexual selection?