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All 14 terms

TermDefinition
Populationconsists of all the individuals of a space that live together in one place at one time
Natural selectionprocess by which population change in response to their environment as individuals better adapted to the environment leave more offspring than those individuals not suited to the environmean
Adaptationprocess of becoming adapted to an environment an anatomical structure physiological process or behavioral trait that improves an organism's likelihood of survival and reproduction
Isolationis the condition in which two populations of the same species cannot breed with one another
Paleontologistsscientist who studies fossils
Vestigial structurestructure reduce in size and function considered to be evidence of an organism's evolutionary past
Homologous structuresare structures that share a common ancestry
gradualismmodel of evolution in which gradual change over a long period of time leads to species formation
Punctuated equilibriummodel of evolution in which short periods of rapid change in species are separated by long periods of little or no change
Industrial melanismdarkening of populations of organisms over time in response to industrial pollution
Divergenceaccumulation of difference between groups can lead to the formation of new species
Speciationprocess by which new species are formed
Ecological racespopulation of a species the differs genetically because of adaptations to different living conditions
Reproductive isolationis the inability of formerly interbreeding groups to mate or produce fertile offsprings

Set Information

Terms 14
Creator cgerardo
Created November 13, 2008
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