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Unit 7 Major Vocab

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paleontology

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Terms in this set (41)

the study of fossils (largely developed by French scientist Georges Cuvier)

sedimentary rock

rock formed from layers (strata) of the sand and mud that settle to the bottom of seas, lakes, and marshes; fossils are found in these types of rocks

-geographic distribution of species
-Closely related species tend to be found in the same geographic region, whereas the same ecological niches in distant regions are occupied by very different (though sometimes similar-looking) species

artificial selection

a process where humans modify other species over many generations by selecting and breeding individuals that possess desired traits

homologous structures

structures in different species that are similar because of common ancestry; similar in structure but not in function