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