photosynthesis and respiration

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Across
  1. 2. a substance that is present at the start of a chemical reaction.
  2. 4. Chlorophyll is any of several related green pigments found in the mesosomes of cyanobacteria and in the chloroplasts of algae and plants.
  3. 5. the process when green plants use sunlight to make food
  4. 6. a substance that is present at the end of a chemical reaction.
  5. 9. an organism deriving its nutritional requirements from complex organic substances.
  6. 10. an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
  7. 12. a process in living organisms involving the production of energy
Down
  1. 1. a simple sugar which is an important energy source in living organisms and is a component of many carbohydrates.
  2. 3. a gas that humans breathe out
  3. 7. Stomata are minute openings found in the epidermis of leaves, stems and other plants organs
  4. 8. the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat.
  5. 11. a colored material that is completely or nearly insoluble in water.