Interactions within Ecosystems

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Across
  1. 6. an organism that consumes and breaks down dead organisms or waste matter into simple substances
  2. 7. an animal that eats plants and other animals
  3. 9. a pattern in nature that repeats over time
  4. 10. water in the liquid or solid state that falls to earth (e.g. rain, snow, hail)
  5. 12. something that can be maintained and used indefinitely
  6. 14. a sequence that shows how energy and nutrients are transferred from one organism to another in an ecosystem
  7. 15. an organism that makes its own food from non-living materials
Down
  1. 1. an organism that eats other living things for energy
  2. 2. an animal that eats only plants
  3. 3. the change in state of a substance from gas to a liquid
  4. 4. a system in which the amount of matter remains constant over time
  5. 5. a process by which plants use water, carbon dioxide and sunlight to produce sugars (food)
  6. 8. the process by which a sample of matter changes from a liquid to a gas
  7. 9. an animal that eats only other animals
  8. 11. an organism that feeds on large parts of decaying plant and animal matter and on waste material
  9. 13. an organism that eats already dead animals
  10. 14. a model that shows how food chains in an ecosystem are connected