Quarter 1 Review

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Across
  1. 2. organism that breaks down dead organisms and recycle nutrients back into the environment
  2. 6. organisms that makes their own energy by photosynthesis
  3. 11. biological process that removes carbon dioxide from the atmosphere
  4. 12. area where an organism lives
  5. 14. relationship where one organism benefits while the other organism is neither helped nor harmed
  6. 16. process where fossil fuels are burned which releases carbon dioxide
  7. 17. number of individuals exiting a population
  8. 18. number of individuals coming into a population
Down
  1. 1. a consumer that eats pimary consumers
  2. 3. organsim that is both a primary and secondary consumer
  3. 4. A consumer that only eats plants
  4. 5. nonliving factors in an enviroment like soil and sunlight
  5. 7. biological process that releases carbon dioxide
  6. 8. occurs when two organisms use the same resource
  7. 9. living factors in the environment
  8. 10. relationship where both organisms benefit
  9. 13. relationship where one organism harms another
  10. 15. the role an organism has in the environment