Organisation of an Ecosystem

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Across
  1. 4. all food chains start with one of these
  2. 6. process occurring in dead animals and plants due to microbes
  3. 9. process that removes carbon dioxide from the environment
  4. 10. consumers that eat other animals
  5. 12. animals that eat producers
Down
  1. 1. ecological measurements are made along these
  2. 2. rain, snow or hail
  3. 3. a quantity of plant or animal material
  4. 5. this is constantly cycled between living organisms and the physical environment
  5. 7. different materials do this through all parts of an ecosystem
  6. 8. how common or rare a particular type of living thing is in an environment
  7. 11. eaten by other animals