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