term1 Definition1term2 Definition2term3 Definition3
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analogous structures
anatomically different structures; same function in different organisms
biogeography
the study of how species are distributed geographically
embryology
the study of the embryo and its development from a single-cell zygote
fossil
preserved evidence of an organism, often found in sedimentary rock, that provides evidence of past life
homologous structures
automatically similar structure inherited from a common ancestor, different function, same structure
ontogeny
developmental history of organism within its lifetime starting with origin of organism at fertilization and embryologic development
phylogeny
evolutionary history of a species
vestigial structures
reduced form of a functional structure that indicated shared ancestry
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