Unit 4 Crossword Puzzle

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Across
  1. 6. has matter and energy flowing in and out of it
  2. 7. eat other animals
  3. 8. web uses arrows to show who eats who
  4. 9. a relationship where one organism benefits and one is unaffected
  5. 11. besides sugar this is what needs to be used for cellular respiration
  6. 12. the breakdown of nitrogen and carbon from dead plants and animals into other forms
  7. 14. produce their own food
  8. 15. each level in an energy pyramid
  9. 16. the type of organisms who do photosynthesis
Down
  1. 1. example of this is a tick living on a dog
  2. 2. eat plants only
  3. 3. the organism that gets eaten
  4. 4. an example is an American grizzly bear in a specific forest
  5. 5. eat dead organisms
  6. 7. the cycle associated with fossil fuels
  7. 9. a product of cellular respiration
  8. 10. get food from consumer other organisms
  9. 13. all populations of organisms that live in a single area