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