Ecosystem - By Marnie Fontana

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Across
  1. 1. the study of ecosystems
  2. 3. the total quantity or weight of organisms in a given area or volume.
  3. 5. more than one population living in the same area at a particular time
  4. 8. matter used as a fuel, especially in a power station for the generation of electricity.
  5. 11. animal that feeds on and breaks down dead plant or animal matter
  6. 13. an animal that eats other animals
  7. 14. organism that relies on other organisms for its food; also known as heterotroph
  8. 15. relating to water, an aquatic plant or animal, especially one suitable for a pond or aquarium.
  9. 16. organisms that break down organic matter into inorganic materials.
  10. 18. refer to heterotroph
  11. 19. animal that eats plants and other animals
Down
  1. 2. living thing
  2. 4. animal that eats only plants
  3. 6. not from this earth
  4. 7. communities of organisms that interact with each other and their environment
  5. 9. organism at the base of the food chain that does not need to feed on other organisms; also known as autotroph
  6. 10. a level within a food chain, food web or food pyramid.
  7. 12. chain diagram that shows how the energy stored in one organism is passed to another.
  8. 17. an animal that feeds on carrion, dead plant material, or refuse.