Unit 7 Vocab

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Across
  1. 3. a community of living organisms interacting with their physical environment
  2. 5. the study of relationships between living organisms and their physical environment
  3. 6. an organism that makes its own food
  4. 9. an organism that lives in another species and derives nutrients at the other's expense
  5. 11. the number of organisms an ecosystem can sustainably support
  6. 12. found in or produced by the sea
Down
  1. 1. the process by which an organism maintains a stable internal environment
  2. 2. an animal that feeds on dead organic material
  3. 4. a group of similar organisms that are able to reproduce
  4. 7. the association between two organisms of different species in which both benefit
  5. 8. the act of preying on another animal
  6. 10. an animal that only eats meat