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12.16: Reptile Evolution

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

TermDefinition
Age of the Dinosaurs Refers to the Mesozoic Era.
dinosaur A diverse group of reptiles; the dominant terrestrial vertebrates for 135 million years, from the beginning of the Jurassic (about 200 million years ago) until the end of the Cretaceous (65.5 million years ago).
phylogenetic tree Diagram that shows how species are related to each other through common ancestors.
sauropsida Type of early amniote that evolved during the Carboniferous Period; eventually gave rise to dinosaurs, reptiles, and birds.
synapsid Type of early amniote that evolved during the Carboniferous Period; eventually gave rise to mammals.
Triassic takeover Evolution of sauropsids into available niches after the Permian mass extinction.

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Difficulty Level:
At Grade
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Date Created:
Feb 24, 2012
Last Modified:
Aug 28, 2016
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SCI.BIO.836.4.L.1