Ecosystems and Biogeochemicals

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Across
  1. 7. the process by which water vapor turns to liquid
  2. 8. an organism that makes its own food
  3. 9. the process in which bacteria make food with chemical energy.
  4. 11. an organism that can produce its own food using light, water, carbon dioxide, or other chemicals.
  5. 12. levels The position an organism fills in a food chain
  6. 14. made up of the interaction of all living organisms
  7. 15. the movement of digested food molecules into the cells of the body where they are used.
  8. 16. a process where liquids change to a gas or vapor.
  9. 17. the process by which water is pulled from the roots of the plant through the stems and leaves and released through microscopic holes in the leaves called stomata.
  10. 19. an organism that obtains energy by the oxidation of electron donors in their environments.
Down
  1. 1. organisms that carry out photosynthesis
  2. 2. nonliving
  3. 3. the process in which green plants use sunlight to make their own food.
  4. 4. the act or process of ammoniating
  5. 5. an organism that feeds on and breaks down dead plants or animal matter
  6. 6. organisms that feeds on plants or other animals for energy.
  7. 8. The liquid and solid water particles that fall from clouds and reach the ground
  8. 10. living things within an ecosystem
  9. 13. an organism that eats other plants or animals for energy and nutrients.
  10. 18. exchange of oxygen and carbon dioxide