Amphibians/ Reptile Crossword

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Across
  1. 3. Amphibian's larvae are __________ (think of environment)
  2. 4. Amphibians& reptiles have _______ chambered heart
  3. 6. Adult amphibians are __________ (think of environment)
  4. 8. most reptile's fertilization is ______________
  5. 9. Reptile eggs are called __________ eggs
  6. 10. The type of circulatory system that amphibians have is _______ looped
  7. 14. Animals that have high metabolic rates that generate a significant amount of heat
  8. 15. Resembles reptiles that lived during the dinosaur age
  9. 16. The "thinking" region of the brain
  10. 17. Frogs spend most of their time near _________
  11. 18. Order of modern lizards and snakes
  12. 19. frog larvae
  13. 21. Where ammonia diffuses into the surrounding water
Down
  1. 1. adult amphibians's typical prey
  2. 2. The ventral part of the turtle's shell is called
  3. 5. Animals that rely on the heat from the environment
  4. 7. They keep their tails even as adults
  5. 11. They have successfully evolved from the Triassic Period
  6. 12. A reptile that flips out its sticky tongue to catch insects
  7. 13. The dorsal part of the turtle's shell is called
  8. 20. The type of circulatory system that reptiles have is _______ looped