Ecology Cross Word Puzzle

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Across
  1. 4. when an organism lives inside or on another organism and harms it
  2. 5. an organism that make their own food
  3. 6. the amount of a species in an environment
  4. 9. an animal that predates on another animal for food
  5. 12. an animal that is seeked by a predator
  6. 13. when animals/organisms interact and both benefit
  7. 15. an animal that eats both animals and plants
  8. 17. the change in a species over generations
  9. 20. the number of different organisms in an environment
  10. 21. an animal that only eats other animals
Down
  1. 1. when animals/organisms interact and one benefits but the other doesnt benefit nor gets harmed
  2. 2. an organism that eats dead decaying matter
  3. 3. when organisms change and adapt to the environment to survive
  4. 7. living factor in an environment
  5. 8. an animal that only eats plants
  6. 10. when an organism changes to better suit the environment
  7. 11. an organism that gets nutrients by eating other organisms
  8. 14. non living factor in an environment
  9. 16. a community of ogranisms that interact with each other and the environment
  10. 18. when the last of a species dies
  11. 19. the job or role and organism does in an environment