Across
- 1. Living things need this gas to make protein
- 3. They feed on wastes from animals and plants eg.fungi & bacteria
- 4. Most Of the energy is used for...
- 9. Is at the top of the foodchain
- 11. An organism that makes its own food
- 12. 40% of the energy is used for...
- 14. Shows the total drymass of an organism in a trophic level
Down
- 1. Changing nitrogen into a more reactive form
- 2. Feeds on the primary consumer
- 5. Is a herbivore and feeds on the producer
- 6. Shows the number of an organism in a trophic level
- 7. Nitrogen has to be changed into this in order for animals/plants to use
- 8. Shows the position of an organism in a food chain
- 10. 10% of the energy is used for...
- 13. Represents the flow of energy from one organism to the next