Science

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Across
  1. 2. nonliving part of the environment
  2. 4. a organism that only eats plants
  3. 5. rise and fall of oceans and large bodies of water
  4. 7. a relationship at which both species benefits
  5. 8. living part of the environment
  6. 10. an relationship at which the host is harmed and the parasite benefits
  7. 11. movement of energy that finishes at the same place
  8. 12. an organism that eats both plants and animals
  9. 15. can't be created or destroyed
Down
  1. 1. a body of of water moving in a definite direction
  2. 3. an instrument that measures the atmospheric pressure
  3. 6. a relationship at which one species is benefited and the other unaffected
  4. 9. organism that only eats animals
  5. 13. shadow of one celestial body on another
  6. 14. the capacity to do work