Biology Keystone - Ecosystems

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Across
  1. 2. Large group of ecosystems with similar climates
  2. 5. All nonliving parts of an ecosystem
  3. 6. Each feeding level in an ecosystem, such as producers being the first level
  4. 8. Another word for secondary or tertiary consumers
  5. 10. "_ consumers" are organisms that eat primary consumers
  6. 12. All communities and nonliving parts of an ecosystem
  7. 14. Example of biotic factor, like bushes and trees
  8. 18. A model that shows available energy at each trophic level in an ecosystem
  9. 19. Example of biotic factor, like foxes and owls
  10. 20. Organisms that obtain their energy by eating other organisms
Down
  1. 1. Organisms that capture energy from the sun
  2. 3. All organisms of the same species in one ecosystem
  3. 4. All populations in one ecosystem
  4. 7. Example of abiotic factor, like rainfall
  5. 9. Another word for primary consumers
  6. 11. Land-based biomes such as tundra, desert, etc.
  7. 13. All living parts of an ecosystem
  8. 15. Example of abiotic factor, like 40 degrees
  9. 16. The amount of living matter in an ecosystem
  10. 17. "_ consumers" are organisms that eat producers