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