Across
- 3. What gas do we need to live?
- 4. Where is carbon dioxide broken apart?
- 6. What do plants turn into oxygen?
- 7. How do animals and plants rely on each other?
- 8. Plants need ________ to turn carbon dioxide to oxygen?
Down
- 1. We rely on plants as a ___________________
- 2. What is the process used by plants to complete the gas exchange?
- 5. How does the carbon dioxide enter the plants?
- 7. What is a plants main source of food?
- 9. What colour plants photosynthesise?