Across
- 2. Organisms that make their own food and use the process of photosynthesis
- 6. is the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
- 10. an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur.
- 12. Substances that go ¨in¨ to a process
- 13. organisms that make their own food
Down
- 1. is the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, waste products, carbon dioxide, and water.
- 3. Substances that are produced/made at the end of a process
- 4. the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat.
- 5. a plastid that contains chlorophyll and in which photosynthesis takes place.
- 7. water (the chemical symbol, as used in non-scientific contexts).
- 8. a colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
- 9. a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.
- 11. a simple sugar which is an important energy source in living organisms and is a component of many carbohydrates.