Across
- 5. organisms that can make their own food from simple non-living substances
- 6. organisms that directly or indirectly depend on green plants for nutrition
- 7. the mode of nutrition where two different organisms work together for their mutual benefit
Down
- 1. organisms that live in dead plants and animals and derive their food from them
- 2. organisms that live in or on other living organisms and derive their food from them
- 3. the process of taking in food by an organisms and its utilization by the body
- 4. the cells of green leavens and young stems of plants contain numerous green structures