photosynthesis crossword
Across
- 2. the basic liquid of fluids in living organisms
- 5. the most basic form of energy that plants use
- 8. a plastid that contains chlorophyll
- 9. a gas in 0.03 percent of all air
- 11. something that most living organisms need to survive
- 12. a color that most plants are known to be
- 14. the natural coloring matter of animal or plant tissue
Down
- 1. the basic unit of all plants
- 3. a simple sugar that serves as an energy source in living organisms
- 4. a green pigment present in all green plants
- 6. the process plants go through to make oxygen and glucose
- 7. a gaseous substance that surrounds the earth
- 10. the life-supporting component in the air
- 13. the part of a plant that attaches to the ground