Across
- 2. Main pigment in plants that absorb light energy
- 5. The area within a chloroplast outside of the thylakoid membranes
- 9. Does not require oxygen
- 11. A shortage of this can slow or stop photosynthesis
- 13. Discovered that a plant will only produce oxygen if it is exposed to light
- 14. Scientist that discovered that trees gain most of their mass from water, not soil
- 16. Process that releases energy by breaking down glucose and oxygen
- 18. Saclike photosynthetic membranes
- 19. Where photosynthesis takes place
Down
- 1. Where cellular respiration takes place
- 3. Process that uses energy from the sun to convert water and carbon dioxide into glucose and oxygen
- 4. Cells use this to store and release energy
- 6. Requires oxygen
- 7. Discovered that plants release oxygen by covering a candle with a jar
- 8. Anaerobic process that produces ATP from food molecules
- 10. Organism that produces its own food
- 12. Organism that consumes food to obtain energy
- 15. Reaction during photosynthesis that does not require light
- 17. First step of cellular respiration
- 20. Light-absorbing molecules that gather the sun's energy in plants
