Biology Chapter 4 Vocab Words

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Across
  1. 4. leafs covering tall trees
  2. 5. an interaction in which one animal feeds on another
  3. 9. a material formed from decaying leaves
  4. 10. necessity of life
  5. 12. the general place where a organism lives
  6. 13. two species benifit from one another
  7. 14. weather condtions
  8. 15. water covers the soil
  9. 17. two species lving closely
  10. 18. inculdes phytoplankton and zooplankton
Down
  1. 1. rain, sunlight
  2. 2. a plant that sheds their leaves
  3. 3. oraganism and their surroundings
  4. 6. the ablitly to survive in hard times
  5. 7. interruption to a species that harms it
  6. 8. a layer of permanetly forzen subsoil
  7. 11. an organism lives inside of another
  8. 16. special kind of wetlands