Grade 7 Science Ecosystem Unit

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Across
  1. 2. an animal that is caught and killed by another for food
  2. 4. it shows how energy is transferred up food chains that are interlinked with other food chains
  3. 6. of or relating to life.
  4. 7. Not associated with or derived from living organisms.
  5. 9. animals that consume other animals to obtain nutrition from them
  6. 12. an animal that feeds on plants
  7. 13. animal that feeds on carrion, dead plant material, or refuse
  8. 14. a maker or manufacturer of something
  9. 15. animals that eat plants
  10. 16. the flow of energy from one trophic, or feeding, level to the next in an ecosystem
Down
  1. 1. The organisms that eat the primary consumers
  2. 2. an animal that naturally preys on other
  3. 3. an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material
  4. 5. an animal or person that eats food of both plant and animal origin
  5. 8. an organism that mostly eats meat, or the flesh of animals.
  6. 10. describes how energy and nutrients move through an ecosystem
  7. 11. capable of causing extinctions of native plants and animals