Reptiles, Birds, and Mammals! Oh my!

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Across
  1. 3. an animal that requires very specific resources in order to thrive
  2. 6. small rigid plate that covers the skin of a reptile and provides protection
  3. 8. an animal that eats other animals
  4. 9. an animal whose body temperature is dependent on its surroundings
  5. 10. animals that capture prey animals using stealth rather than strength or speed (2 words)
  6. 12. indentations near the mouth of the snake that allows it to sense the heat of prey nearby (2 words)
  7. 13. the top animal in an ecosystem that captures and eats other animals but is not hunted by any other animal
  8. 15. an animal that eats plant material
Down
  1. 1. animal coloring that allows the animal to blend in with its environment
  2. 2. the body covering of a bird
  3. 4. an animal that can thrive in a wide variety of environmental conditions
  4. 5. an animal that has a backbone
  5. 7. the branch of biology that studies the relationships of organisms to each other and their environment
  6. 9. an animal that can generate its own heat to maintain its body temperature
  7. 11. the body covering of a mammal
  8. 14. an animal that eats both plants and animals