Environment history

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Across
  1. 4. bird-like dinosaurs jaws with sharp teeth (instead of a beak), three fingers with claws, as well as a long, bony tail.
  2. 6. Rex, lizard king
  3. 7. bird-like breathing system, with air sacs pumping air. Arm lizard
  4. 9. constantly grew, shed and replaced its teeth. hunted in packs
  5. 10. dog-sized dinosaurs, part of a family called dromaeosaurid covered in feathers hunted in pack
Down
  1. 1. Huge creature with rounded backs and spikes all over with tail which they likely held high in the air.
  2. 2. A massive, tank-like creature boasting three devil-like horns on its armored head
  3. 3. Creature with massive neural spines on its back feasted on fish almost exclusively
  4. 5. a huge creature who is extinct
  5. 8. Bulky lizard. dinosaur herbivores