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