Across
- 3. are organizms that can make there own food
- 6. is the gas which is used for photosynthisis
- 7. can convert nitrogen into plant use able form
Down
- 1. is the green pigment in leaves
- 2. cells control the opening and the closing of the stoma
- 4. is the process in which plants can make there own food
- 5. are organsmis that cannot make there own food
