BIOL 472 Study Guide - Final Guide: Redback Spider, Nuptial Gift, Zygosity
31 Mar 2017
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Document Summary
Migration ~ regular seasonal or annual movement from one place to another, often from a breeding to a non-breeding site and back. Migration ~ movement from and back to the same location on a seasonal or annual basis. Ideal free distribution- animals distribute themselves spatially to maximize their reproductive success. C- trade off hypothesis- develop muscles for dispersal then fewer resources for reproduction. C- new places mean higher risk of death. B- find food and attract mates in available territory. There is a strong relationship between migration, seasonal change and high latitudes. Mating systems ~ mating systems are defined in terms of the number of sexual partners during a breeding season. Female reproductive tactics create circumstances that determine which competitive and display maneuvers will provide payoffs for males. Male mating systems are an evaluated response to female mating systems and ecological factors that determine spatial distribution of females. Polyandry one female mates with multiple males.
