biology

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Across
  1. 1. consumes other organisms
  2. 4. states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over tim
  3. 5. tiny openings present on the epidermis of leaves
  4. 9. the continuous circulation of water
  5. 10. the cycle by which carbon moves through our Earth's various systems.
  6. 11. process that makes oxygen, done by plants
  7. 14. relating to or denoting the cycle in which chemical elements and simple substances are transferred
  8. 15. the process of movement of molecules under a concentration gradient
  9. 17. does not consume other organisms
Down
  1. 2. the process by which water is transferred from the land to the atmosphere by evaporation
  2. 3. cycle on how each of the three major rock types form and break
  3. 6. sugar ; produced during photosynthesis
  4. 7. the loss of electrons
  5. 8. the process of water movement through a plant and its evaporation
  6. 9. a repeating cycle of processes during which nitrogen moves through both living and non-living things
  7. 12. breaks down dead organisms
  8. 13. a state of balance between opposing forces
  9. 16. the total quantity or weight of organisms in a given area or volume