Matter Cycling and Energy Flow

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Across
  1. 4. breaks down dead animals and plants
  2. 5. we are ___________ based life forms
  3. 8. organism that eats others for food
  4. 10. the amount of organisms in a given trophic level
  5. 11. eating only meat
  6. 12. the name for the levels of a food/energy pyramid
  7. 15. consumer that eats 3rd
  8. 17. organism that eats dead animals
  9. 18. plants need this from the air
Down
  1. 1. changing nitrogen gas into a form we can use
  2. 2. in an energy pyramid, this organism is at the bottom
  3. 3. multiple food chains together
  4. 6. the form of Nitrogen plants and animals can use
  5. 7. how carbon gets into the food chain/web
  6. 9. how we as humans put carbon back into the air
  7. 13. consumer that eats a producer
  8. 14. decomposers recycle both ________ and energy
  9. 16. a type of decomposer