Across
- 3. tiny pores in leaves
- 5. a green pigment
- 6. need a host to live
- 7. modified leaves
- 9. gas liberated during photosynthesis
Down
- 1. iodine is used for test
- 2. dead decay matter
- 4. symbiotic relationship between algae and fungi
- 6. made up of amino acids
- 8. nitrogen fixation