UNI101Y1 Study Guide - Transect, Ecotone, Superorganism
16 Feb 2013
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Bio120h lisa zhao 2011 | page 1 chapter 18: community structure. The functions of various species are connected and have evolved to enhance their interdependence. Communities are discrete entities that can be distinguished from one another it is a hhoolliissttiicc ccoonncceepptt (the idea that the organisms in a community form a discrete, complex unit analogous to a superorganism) Natural selection acts on the fitness of the indiv. to maximize its own reproductive success, not the benefit the community. Ccoommmmuunniittyy: an association of interacting pop. usu. defined by the nature of their interaction or the place in which they live. A b io lo gic al co mmun it y is an asso c iat io n o f int er act in g. A community can be spatially defined, including all the pop. w/in its boundaries. : a taxonomy of communities based on a method of sampling plant species composition.
