Across
- 3. Gas we breath out
- 4. Green pigment that absorbs sunlight energy
- 5. A gas that is a by-product of photosynthesis
- 6. Suger that is made by photosynthesis
- 7. Orginisms that produces it's own food
Down
- 1. A process used by plants and other organisms to convert light energy into energy that can later be released to fuel the organisms' activities.
- 2. Sunlight (synonym)
- 3. A cell that contains chlorophyll