Across
- 3. example of autotrophic plant
- 7. mutually beneficial relationship betweeen different plant
- 9. maintains the balance between oxygen and carbondioxide
- 10. Chemical element of atomic number 7
- 12. Vascular tissues in plants
Down
- 1. an organism which lives in or on another organism
- 2. parasitic plant which lacks chlorophyll
- 4. Nitrogen fixing bacterium commonly in the soil
- 5. colourless odourless highy flammable gas
- 6. where alga and fungus live
- 8. the process of taking in food by an organism
- 11. cell It controls opening or closing of stomata