Across
- 6. what is the certain bacteria present in the soil
- 8. what organisms can make their own food
- 9. what are the three names for non-green plants
- 10. what helps to keep a plant rigid and upright
Down
- 1. what organisms depend on green plants for nutrition
- 2. what organisms live on dead plants and derive food from them
- 3. what is trapped by chlorophyll for the energy of photosynthesis
- 4. what is not necessary for photosynthesis
- 5. what mode of nutrition where to different organisms work together for mutual benefit
- 7. what organisms live in or on other living organisms and derive their food from them