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Raines Evolution
Theory of Natural Selection Vocab
Question | Answer |
---|---|
artificial selection | technique in which the intervention of humans allow only selected organisms to produce offspring |
natural selection | process in nature that results in the most fit organisms producing offspring |
survival of the fittest | principle that states that only individuals with characteristics best suited to their environment survive the struggle for existence |
population | collection of individuals of the same species in a given area whose members can breed with one another |
gene pool | common group of genes shared by members of a population |
niche | combination of an organism’s habitat and its role in that habitat |
vestigial organ | structure that serves no useful purpose or function in an organism |
extinction | when all of the members of a species have died. |
Charles Darwin | Wrote the Origin of Species in which he originates the Theory of Evolution |
acquired traits | a trait gained during an organisms life time but is NOT passed on to it's offspring. |
variation | natural changes in a species |
mutation | a variation in an organisms genetic material (DNA) |
adaption | a genetic trait that helps an animal survive |
overproduction | when an organism makes more offspring than the environment can support |
selection | when an organism gets the resources it needs to survive and can reproduce. |