Chapter 6

Chapter 6 - Chapter 6: A) Biotic Community Biotic...

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Chapter 6: Biotic Community A) Biotic Communit y: Refers to a group of interacting and inter- dependent populations of plants and animals that live in the same area. Communities show patterns in time and space (e.g. altitude). Many features of communities reflect the regional influence of climate, e.g. sagebrush-grass communities of central Wyoming show clear adaptations to strong wind and blowing snow. White-tailed jackrabbits ( Lepus townsendii ) turn white in winter in snow covered areas in Wyoming but retain dark pelage in the shortgrass prairie of N. Colorado and S, Wyoming. 1) Population: A group of organisms of a single species that interact and interbreed in a common place. 2) Species (organism): The basic taxonomic category referring to groups of actually (or potentially) interbreeding natural populations which are reproductively isolated from other such groups. a) Subspecies: A geographically defined aggregate of local populations which differs taxonomically from other such subdivisions of the species. b)
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This note was uploaded on 02/18/2012 for the course BIO 260 taught by Professor Dannyraymer during the Fall '11 term at BYU.

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Chapter 6 - Chapter 6: A) Biotic Community Biotic...

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