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Ch.8: Primate Behavior and Human Evolution

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homologies
Traits shared by two or more spaces through influence from a common ancestor. Such traits need not serve the same function.
analogies
traits shared by two or more species that are similar in function but unrelated evolutionarily.
sociobiology
The scientific study that examines evolutionary explanations for social behaviors within species.
evolutionary psychology
Another name for sociobiology.
behavioral ecology
Another name for sociobiology.
Inclusive fitness
The idea that fitness is measured by the success of one's genes, whether possessed by the individual or by that individual's ancestors.
altruistic
Benefiting others without regard for one's own needs or safety.
reproductive strategies
Behaviors that evolve to maximize and individual's reproductive success.
ethology
The study of the natural behavior of animals under natural conditions.
savanna
The open grasslands of the tropics.