Biology

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Across
  1. 3. Organism that breaks down dead matter
  2. 4. Living things and their environment working together
  3. 9. When living things fight for resources
  4. 10. Animal that eats plants
  5. 13. Large reptile that lived millions of years ago
  6. 16. Trait that helps a living thing survive
  7. 17. Animal that eats both plants and animals
  8. 18. Living thing that eats other organisms
Down
  1. 1. Many connected food chains
  2. 2. Path that shows who eats whom
  3. 5. Staying alive in nature
  4. 6. No longer living anywhere on Earth
  5. 7. Group of similar living things
  6. 8. Animal that is hunted by others
  7. 9. Animal that eats meat
  8. 10. Natural home of a living thing
  9. 11. Change in living things over long periods of time
  10. 12. Animal that hunts other animals
  11. 14. Preserved remains of ancient plants or animals
  12. 15. Living thing that makes its own food