Key Terms in Evolution and Behavior

altruistic behavior,

behavior,

communication,

female,

fixed action pattern,

group selection,

honest signal,

inclusive fitness,

innate behavior,

instinct,

kin selection,

language,

learning,

male,

mate guarding,

mating system,

mismatch,

monogamy,

nuptial gift,

pair bond,

paternity uncertainty,

pheromone,

polyandry,

polygamy,

polygyny,

prepared learning,

reciprocal altruism,

reproductive investment,

sexual dimorphism,

sign stimulus,

total reproductive output,

waggle dance,

ABOUT THE CHAPTER OPENING PHOTO

Wolves communicate and bond through howling.

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