Across
- 3. organisms that can make their own food from simple non living substances
- 4. organisms that live in or on other organisms and derive thier food from them
- 5. organisms that live on dead plants and animals and derive their food from them
Down
- 1. the mode of nutrition where two different organisms work together for their mutual benifit
- 2. organisms that directly or indirectly depend on green plants for nutrition