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evolution bio vocab

TermDefinition
biogeography study of the distribution of plants and animals on Earth.
embryo organism’s early prebirth stage of development.
analogous structure structure that has the same function but different construction and was not inherited from a common ancestor.
vestigial structure reduced form of a functional structure that indicates shared ancestry.
homologous structure anatomically similar structure inherited from a common ancestor.
ancestral trait more-primitive characteristic that appeared in common ancestors.
derived trait new feature that had not appeared in common ancestors.
fitness measure of a trait’s relative contribution to the following generation.
camouflage morphological adaptations that allow organisms to blend into their surroundings.
mimicry morphological adaptation in which one species evolves to resemble another species for protection or other advantages.
evolution the change in species over time.
natural selection theory of evolution developed by Darwin, based on four ideas: excess reproduction, variations, inheritance, and the advantages of specific traits in an environment.
artificial selection Darwin’s term for the selective breeding of organisms selected for certain traits in order to produce offspring having those traits.
Created by: cchidester2289
 

 



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