Ecology Introduction

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Across
  1. 1. the home of an organism
  2. 3. a chain that shows which organism eats the other
  3. 5. community of organisms in one area
  4. 6. organisms that make their food with the sun
  5. 8. when one organism benefits at another organisms expense
  6. 9. an individual living being
  7. 11. study of organisms and their environment
  8. 12. where an organism is on the food web
  9. 13. organisms that are killed for food
  10. 14. an organism that has another organism living on it
  11. 16. organisms that hunt and kill for their food
  12. 19. part of earth that holds all things living
  13. 20. a nonliving component in an environment
  14. 21. number of organisms in an area
  15. 22. organism that cant make food,so it eats plants and animals
  16. 23. an organism that eats animals instead of plants
Down
  1. 2. a living component in an environment
  2. 3. all of the food chains in an ecosystem put together
  3. 4. lots of species in one common area
  4. 7. an organism that eats other organisms for energy
  5. 9. an organism that eats both plants and animals
  6. 10. an organism that feeds off of remains that are lying around
  7. 15. an organism that eats plants instead of animals
  8. 17. an organism that breaks down decaying material
  9. 18. organisms that make their own food