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Summary: changes you can observe in the fossil evidence:

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Summary: changes you can observe in the fossil evidence:

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Anatomy changed over time to become more whale-like. 50 million years ago the fossil evidence resembled more of a dog.

-Nostrils  (moved from end of snout to top of head)
- Limbs (backlegs were long with hooves to internal; long legs with hooves to flippers)
- Hearing (underwater improved)
-Tail structure (from long and thin to thick and muscular)
- body shape (shorter in statue with longer legs to longer and thin with NO legs)

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Embryology Google Form

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Google Form for Monday, May 4 Anatomy Evidence Chart

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Thursday, April 30, 2020 Reviewing Fossil Evidence

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Thursday, April 30, 2020 Reviewing Fossil Evidence

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Review Question: Over time how did the fossil evidence of Cetaceans change?