Permian-Triassic Period

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Across
  1. 5. When animals were recovering the animals were small mammal-like reptiles called ________.
  2. 8. Dinosaurs, birds, pterosaurs, crocodiles, and turtles were part of the ________.
  3. 9. Vacant _____ is what survivors occupy.
  4. 10. Vast fern prairies died because the ________ became drier
  5. 11. The Permian-Triassic Period is also known as the _______ ________.
Down
  1. 1. Dinosaurs were the ______ of the archosaurs.
  2. 2. The _______ were emerging about 250 million years ago
  3. 3. _____ could withstand a very low oxygen levels
  4. 4. About 14 million years after the Great Dying, a new group of corals emerged, the _____ or scleractinian
  5. 6. Studies show that worms and _____ were the first to bounce back
  6. 7. Evidence suggests that the temp. of ______ increased by 6 degrees