Section 2: Evidence of Evolution
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Fossil | The remains or traces of an organism that died long ago
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| Superposition | Principal that states if the rock strata at a location have no been disturbed, the lowest stratum was formed before the strata above it
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| Relative Age | Its age compared to that of other fossils
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| Absolute Age | Estimate the time since formation of the rock
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| Biogeography | The study of the locations of organisms around the world
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| Homologous Structure | Anatomical structures that occur in different species and that originated by heredity from a structure in the most common ancestor of the species
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| Analogous Structure | Structures that have closely related functions but do not derive from the same ancestral structure
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| Vestigial Structure | Resemble structures with functional roles in related organisms
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| Phylogeny | The relationships by ancestry among groups of organisms
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