Vocabulary List 3

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Across
  1. 2. both organisms benefit
  2. 4. first level of energy transfer on an energy pyramid
  3. 5. organism that eats dead matter
  4. 6. organism that is killed by predator
  5. 9. one organism benefits and other is unharmed
  6. 10. organisms that must eat organisms to get food
  7. 12. organism who hunts to kill another
  8. 16. a single pathway of energy transfer in an ecosystem
  9. 17. the variety and variability of animals, plants and microorganisms in an ecosystem
  10. 18. consumer third level of energy transfer on an energy pyramid
Down
  1. 1. fourth level of energy transfer on an energy pyramid
  2. 3. competition between different species
  3. 4. one organism benefits and the other is harmed
  4. 7. fifth level of energy transfer on an energy pyramid
  5. 8. all the food chains in an ecosystem
  6. 11. study of interactions between the environment and organisms
  7. 13. levels that matter and energy move through in food chains, food webs and energy pyramids
  8. 14. a species whose impact on the community is much greater than its abundance
  9. 15. dead and decaying organic matter