BIO220H1 Chapter Notes - Chapter ALL: Mate Choice, Promiscuity, Limiting Factor
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BIO220H1 Full Course Notes
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Document Summary
Genetic recombination allow an organism"s offspring to be genetically diverse increases the chances of acquiring favorable mutations and is unlikely to propagate deleterious ones. Asexual individuals may not survive in areas where parasites are high. Batemans principle: theory that females almost always invest more energy into producing offspring than males and therefore in most species female are a limiting resource over which other sex will compete. Contrast to batemans principle female cichlid fish mates with any male to ensure they have a chance at producing offspring. Malawi blue have high population but still participate in multiple mating"s avoid inbreeding+ increase genetic diversity among the offspring. Harem: a group of females associated with a single male. Typically the male in the harem defends his group of females. Resource defense polygyny: a mating systems in which males establish a territory around resources needed for mating success. In this system multiple females will join the male in his territory.
