Ecology

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