Ecology Unit Review

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Across
  1. 3. the bottom of a energy pyramid
  2. 5. a group of related food chains
  3. 9. A group of the same species living in the same area
  4. 13. Something that is not alive Example: rock
  5. 14. what a organism is meant for
  6. 16. interaction where both organisms are harmed
  7. 17. important species in a area
  8. 18. fixation another name for Nitrogen cycle
  9. 19. changing to fit your environment
  10. 20. guessing pop by signs of life in a area
Down
  1. 1. catching animals tag them and repeat to get (pop)
  2. 2. variety of life in a ecosystem
  3. 4. the first life in a area
  4. 6. a single living thing
  5. 7. what decomposes dad animals into soil
  6. 8. something that is alive example: cat
  7. 10. first species(organisms) in a area
  8. 11. shows the distribution of energy
  9. 12. a area where organisms interact with the environment
  10. 15. a organism that only eats plants