Unit 10 Review

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Across
  1. 3. An organism that lives on or in a host and causes harm
  2. 6. A diagram that shows feeding relationships in an ecosystem
  3. 7. A relationship where one benefits and the other is harmed
  4. 9. A relationship where both organisms benefit
  5. 10. Organisms that eat producers
  6. 11. Bacteria that convert ammonia into nitrates in the soil
  7. 13. The rule that only about ___% of energy transfers to the next level
  8. 16. Process where organisms release carbon dioxide into the air
  9. 17. Animals that eat both plants and animals
  10. 18. A single pathway of energy flow
  11. 19. Organisms that make their own food using sunlight
  12. 21. Type of symbiosis where clownfish and sea anemones interact
  13. 22. Example of mutualism: bees and ______
  14. 25. Animals that eat other animals
Down
  1. 1. Process by which plants make glucose and oxygen
  2. 2. Gas in the atmosphere that plants use for photosynthesis
  3. 4. A relationship where one benefits and the other is unaffected
  4. 5. A tick feeding on a dog is an example of this relationship
  5. 8. The organism that a parasite lives on
  6. 12. Organisms that break down dead matter
  7. 14. Process where bacteria convert nitrogen gas into usable forms
  8. 15. The amount of energy decreases as you move ______ the trophic levels
  9. 20. The first trophic level, made up of plants and algae
  10. 23. Energy source for most ecosystems
  11. 24. Top predators that have no natural enemies