Biology / Bio 3633 · Atom · ~20 seconds
Mating Systems
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A mating system describes how many mates an individual takes: monogamy pairs one male with one female, polygyny one male with several females, polyandry the reverse.
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Where male investment is far lower than female investment, a species tends toward polygyny, since one male can father many broods.
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A mating system reflects parental investment, not a fixed taxonomic trait.