BIOE 20C Study Guide - Final Guide: Survivorship Curve, Logistic Function, Religion In China

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Group of individuals of the same spp that: live in a localized area, utilize a common pool or resources. Density: # per unit area of a volume. Study of factors that in uence population size and structure over time. 4 main components that in uence size: births: increase, deaths: decrease, immigration: increase, emigration: decrease. How many are likely to survive (survivorship) How many offspring will be produced (fecundity) Times from birth to rst reproduction (generation time) Proportion surviving to a particular age class. Often limited to # female offspring produced by female parents. Age speci c fecundity = average # of females produced by a female of a certain age class. Individuals have a nite amount of energy. Low survivorship = high age speci c fecundity. High survivorship = low age speci c fecundity. Required information: initial # born in a cohort (n, # that survive to each each class ( , avg fecundity to each age class ( )

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