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8. Macroevolution 2008 posted

8. Macroevolution 2008 posted - Get involved in an ongoing...

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1 Get involved in an ongoing research study on paper wasp communication Time period: July 1 – Aug. 31, 2008 Student hourly rate For more information please contact Sai Suryanarayanan Email: [email protected]
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2 Birds Other mammals Saurischian dinosaurs Ornithischian dinosaurs Pterosaurs Crocodiles Turtles Snakes Lizards Diapsids Reptiles Synapsids Dinosaurs Saurischians Lepidosaurs Archosaurs Mammals Ancestral Amniote Bats Paraphyletic group Most recent common ancestor
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3 The turtle is more closely related to the  salamander than to the domestic cat. A. True B. False Turtle Salamander Wolf Leopard Domestic cat
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Salamander Alternative arrangement: Turtle Wolf Leopard Domestic cat
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Turtle S alam ande r Wo lf Le o pard Do m e s tic c at Most recent Common ancestor
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Systematics   1.  Cladistics 2.  Phylogenies
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A phylogeny Text fig. 26.12
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Macroevolution [Text: ch. 22] I. Major transitions in the history of life II. How do major innovations arise? III. Role of time IV. Limitations of natural selection
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9 Phanerozoic See text fig. 22.7
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10 http://www.dac.neu.edu/biology/k.bergman/WebsiteBarney/semapic/pic8.gif
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