Across
- 3. a bacteria that can convert atmospheric nitrogen into water-soluble compound
- 4. the structures in cells that contain chlorophyll
- 5. the ultimate source of all the energy needs of our body
- 7. a green pigment that traps energy from sunlight
- 9. the process of taking in of food by an organism and its utilization by the body
- 10. non green plants that live in or on other living organisms and derive food from them
Down
- 1. the mode of nutrition where two different organisms work together for their mutual benefit
- 2. a gas necessary for photosynthesis
- 6. the plant from which a parasite gets its food
- 8. cells the cells controlling opening or closing of stomata