Across
- 2. Organisms that can make their food from simple non-living substances
- 3. Organisms that directly or indirectly depend on green plants for nutrition
- 6. The mode of nutrition where two different organisms work together for their mutual benefit
Down
- 1. Organisms that live on dead plants and animals and derive their food from them
- 4. A bacteria in soil which can convert atmospheric nitrogen into water-soluble compounds
- 5. The plant from which a parasite gets it food