Vocabulary List 3

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