animals and science

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Across
  1. 6. hair that doesn't stop growing
  2. 7. animals that eat both plants and meat
  3. 9. animals that hunt and eat other animals
  4. 11. hair that stops growing after reaching a specific length
  5. 12. animals that sleep during the night and are active during the day
  6. 13. a physical or behavioral feature of an animal that helps them better survive in their habitat
  7. 16. a hard shell that both holds a body together and protects it
  8. 17. animals without backbones
  9. 20. the natural home or environment where an animal, plant or other organism lives
  10. 21. animals with backbones
  11. 22. animals that are hunted and eaten by bigger animals
  12. 24. animals that are most active at dawn and dusk
Down
  1. 1. the ability to maintain or support a process continuously over time
  2. 2. a community of organisms - plants and animals- and their physical environment interacting together
  3. 3. an animals disguise that allows them to blend in with their surroundings
  4. 4. variety of life on earth
  5. 5. animals that only eat plants
  6. 8. the scientific study of the relationships between living organisms and their habitats
  7. 10. overlapping layers of skin that have different inner and outer coatings
  8. 14. flat appendages consisting of a hollow shaft fringed by panes or barbs
  9. 15. animals that cannot maintain a constant body temperature and instead have a similar temperature to their environment
  10. 18. animals that sleep during the day and are active at night
  11. 19. animals that can maintain a constant body temperature even if their environment temperature changes
  12. 23. animals that only eat meat