| Tetrapods that form eggs inside a protective membrane via internal fertilization |
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| What percentage of species went extinct in the Permotriassic extinction? |
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| In the kt extinction what percentage of terrestrial vertebrates went extinct |
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| In what four groups did flight evolve in? |
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| What is considered the oldest bird? |
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| Modern cetaceans evolved from? |
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| What does grass have in it that cause a wearing down of the teeth? |
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| Where do the monotreme animals live? |
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| Humans have what kind of skull condition? |
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| What do we call early synapsids? |
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| What developed rapidly in the late permian and is a mammal like reptile or rather a reptillian like synapsid. This gave rise to mammals |
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| The Super Continent the dinosaurs lived on is |
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| The main groups of dinosaurs are |
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| The main groups of the saurischia are |
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| An ankylosaurs belongs to which group of dinosaurs |
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| When did the saurischians go extinct? |
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| What type of vision did dinosaurs have? |
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| Are you going to ace the final for EARTH 30? |
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Periodic Table
Planets from the Sun
Digits of Pi
