Ecology

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Across
  1. 3. it's a factor
  2. 4. pineapple slash SHINee
  3. 6. is the relationship of living things to each other and to what's around them
  4. 8. the same animals living together
  5. 10. (-,+)
  6. 11. species...
  7. 14. the atmosphere containing all living things
  8. 15. no organism exists in...
  9. 17. (+,+)
Down
  1. 1. this subject
  2. 2. ecology is the science of the
  3. 5. ecosystem a...
  4. 7. different animals interacting with each other
  5. 9. a factor
  6. 12. ecologists study specific areas of biological activity called
  7. 13. (+,0)
  8. 16. when 2 animals have a close relationship