Composition environment
Classified in Biology
Written at on 
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Natural selection: is when a nonrandom force, such as competition or predation increases the likelihood of survival and reproduction of some phenotypes within a population
Mutation: is a change in genetic material that results in a change in the proteins or phenotypes
Niche: is defined as functional role within an ecological community that relates on how species survive ( habits and climate characteristics)
selective pressure: something in the environment that stimulates some individuales within a particular phenotype to survive longer than other and reproduce more ( abiotic - nonliving | biotic - living)
coevolution: is when two or more species reciprocally affects each others evolution
genetic drift: is change in a gene pool resulting from random events or "chance"