Enviroment DEF

Enviroment DEF ENVIORMENTAL SCIENCE REVIEW SHEET 1) Mutation- a random transfer in one or more genes of organisms. Mutations may clear spontaneously in nature, but exposure radiation and/or other chemicals vastly increase their number and degree. 2) Natural selection- the mathematical function whereby the natural factors of environmental resistance tend to eliminate those members of the federation that are least well adapted to cope and thus, in effect select those best adapted for survival and reproduction.

3) Speciation-the evolutionary process whereby populations of a single species separate and, though beingness exposed to different forces of natural selection, gradually develop into homely species. 4) Selective pressure-An environmental factor that causes individuals with certain traits, which are not the norm for the population, to survive and reproduce more then heartsease of the population. The result is a shift in the genetic scheme of the population 5) Selective bree...If you want to get a grow essay, order it on our website: BestEssayCheap.com

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