Chapter 12 Clue's to Earth's Past Section 12-2
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The most “famous” reptiles (??) were
the DINOSAURS!
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Reptiles dominated over amphibians because they were not isolated to only Water |
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The last dinosaurs disappeared approximately 65 million
years ago.
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What caused their extinction???
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Extinction- no living members of species
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| 1. Their large size (what problems does that pose?) less plants |
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| 2. Increased volcanic activity (changed climate, and |
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| 3. Drop in sea level (changed climate) | |
| 4. Meteorite impact (high levels of iridium) |
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