Ecosystem Crossword

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Across
  1. 2. The remains of dead animals
  2. 6. To be successful or healthy
  3. 8. An animal that feeds mainly on plants to derive its energy
  4. 10. An animal that feeds mainly on other animals to derive its energy
  5. 13. level Nutrition chain
  6. 14. Nonliving things in an environment
  7. 15. The genetic variation within and between species
  8. 17. To act on one another
  9. 18. Of the sea
  10. 19. A living thing
  11. 20. material Matter that is or was living
Down
  1. 1. An animal that eats other animals
  2. 3. A biological community of interacting organisms and their physical environment
  3. 4. Living things that share a habitat
  4. 5. A group of the same type of organism
  5. 7. A place where birds rest or sleep
  6. 9. An organism that lives in or on a host organism in a way that harms the host
  7. 11. An animal that feeds on a variety if plants and other animals to derive its energy
  8. 12. A carnivorous animal that hunts and kills other animals for food
  9. 16. An organism that feeds on the dead or rotting flesh of animals