Ecology Unit

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Across
  1. 3. organisms that feed on both meat and autotrophs
  2. 4. autotrophs
  3. 9. a species' average population size in a particular habitat
  4. 10. relationship where both organism benefit
  5. 11. progressive changes in the composition of an ecological community over time
  6. 14. one path of energy flow in an environment
  7. 16. the position organisms appear on a food chain
  8. 17. regions on around the Earth with similar climates, plants, and animals
  9. 20. biotic and abiotic factors in an area
  10. 22. organisms that feed on dead organic material
  11. 23. organisms that eat other foods
  12. 25. include disease, competition, and predation
  13. 28. organisms that hunt their food
  14. 30. nonliving factors in an environment
Down
  1. 1. all possible feeding relationships in an ecosystem
  2. 2. includes, forest fires, unusual weather, flooding
  3. 5. the place in which organisms lives out its life
  4. 6. close interactions between species
  5. 7. biotic and abiotic factors that restrict the existence of organisms in a specific environment
  6. 8. organisms that only feed on meat
  7. 12. the study of interactions between organisms and their environment
  8. 13. species first to colonize an environment that has been disrupted
  9. 15. organisms that only feed on autotrophs
  10. 17. the variety of life in the world or in a particular habitat or ecosystem
  11. 18. biological material derived from living or nonliving organisms
  12. 19. different species that live together in a habitat
  13. 21. relationship where one organism benefits and the other is harmed
  14. 24. living factors in an environment
  15. 26. graphic model of energy flow in a community
  16. 27. relationship where one organism benefits and the other neither harmed or benefited
  17. 29. role an organisms play in an environment