Across
- 5. plastid that contains chlorophyll and in which photosynthesis takes place.
- 7. pigment that gives plants their green color, and it helps plants create their own food through photosynthesis.
- 8. colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
- 9. reaction, the reaction of something, especially the iris of the eye, to different intensities of light.
- 10. a simple sugar which is an important energy source in living organisms and is a component of many carbohydrates.
- 11. A chemical process that occurs in plants, algae, and some types of bacteria, when they are exposed to sunlight.
- 12. an organism deriving its nutritional requirements from complex organic substances.
Down
- 1. simple sugar which is an important energy source in living organisms and is a component of many carbohydrates.
- 2. cycle, the cycle of chemical reactions where the carbon from the carbon cycle is fixed into sugars.
- 3. cells and tissues that support and give structure to organs, glands, or other tissues in the body.
- 4. membrane,the site of the light-dependent reactions of photosynthesis with the photosynthetic pigments embedded directly in the membrane.
- 6. organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
