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Lecture 11 mating

problems of mating

TermDefinition
significant costs of sex courting, energy, sacrifice 1/2 genes, deseases
sex benefits adds variability to alleles
female parental investment: mammals gestation, lactation, most of rearing
differential sex investment females choosier about mates (require greater benefits to mate)
females more productive resourse males more competitive (costs of competition are compensated by greater benefits)
female more productive exceptions morman crickets: male provides spermatiform->females more competitive; sea horses gestate in male pouch: females more colorful
necrophilia mating disorder
Mate preference dimensions physical, psychological, social (riches, status)
Mate preferences as EPMs perceiving fertility, resource potential
mate opportunies don't always fit preferences
pickiness selected against
mating EPMs interactive and sensitive to context
reproduction central driver of evolutions
Created by: james22222222
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