Across
- 4. example of symbiosis plant
- 7. helps to maintain the balance between oxygen and carbondioxide
- 8. non living components of the environment
- 9. needed for photosynthesis
Down
- 1. green pigment present in plant
- 2. bacteria soil contains
- 3. saphrophytes
- 5. tiny pores on a leaf
- 6. green plants are