Photosynthesis and Respiration

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Across
  1. 4. A microorganism that uses the process of photosynthesis to make food
  2. 7. The chemical process in which stored energy is broken down so it can be used by an organism to survive when there is no food source available
  3. 8. One of many openings in a leaf or a stem of a plant that enable gas exchange to occur
  4. 10. A substance that is made from two hydrogen atoms and one oxygen atom and is needed to sustain life
  5. 11. The chemical process in which carbon dioxide and water combine using energy from the sun to make sugar and oxygen
  6. 12. A group of atoms bonded together
Down
  1. 1. A gas that contains one carbon atom and two oxygen atoms
  2. 2. Energy that is absorbed by chloroplasts in the cells in the leaves
  3. 3. The process by which plants release water vapor into the air through stomata
  4. 5. The sugar plants use to make food
  5. 6. Contain Chlorophyll
  6. 9. A green pigment that captures light energy for photosynthesis