Organisms and their environment

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Across
  1. 4. An animal that is eaten by another animal
  2. 5. A process in which glucose meal breaks down in the presence of oxygen to produce carbon dioxide and water, releasing energy.
  3. 6. A group of organisms of the same species that live together in a habitat
  4. 7. Where an organism lives
  5. 8. Allow us to compare the number of organisms present in each trophic level at a particular time
  6. 10. Uses both energy and inorganic nutrients
  7. 13. A community of organisms interacting with one another and with its non-living environment
  8. 16. Feeding on another organism passes energy from one organism to the next
  9. 17. Allow us to compare the total energy in each trophic level of a food chain over a certain period of time
  10. 19. The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water
  11. 20. Made up of all the populations of different species living and interacting with one another in a habitat
Down
  1. 1. The position of an organism in a food chain, food web or ecology pyramid
  2. 2. Allow us to compare the mass of organisms present in each trophic level at a particular time
  3. 3. A series of organisms through which energy and nutrients are transferred, beginning with a producer
  4. 9. Consist of a network of interconnected food chains
  5. 11. Organisms that get their energy by breaking down dead organisms, faeces and excretory products
  6. 12. An animal that feeds on another animal
  7. 14. Organisms that are not able to make their own food
  8. 15. An organism that makes its own organic food substances
  9. 18. Study of the interactions that are studied