Across
- 1. Organisms that live in or on other living organisms and derive their food from thm
- 6. Organisms that directly or indirectly depend on green plants for nutrition
- 7. Organisms that can make their from simple non-living substance
Down
- 2. Organisms that live on dead plants and animals and derive their food from them.
- 3. The mode of nutrition where two different organisms work together for their mutual benefit
- 4. Substance found in a plant which helps in photosynthesis
- 5. The process of talking in food by an organism and it's utilization