Across
- 4. organisms that live on dead and decay plants.
- 5. organisms that depend directly or indiretly on plants.
- 6. when two organisms work together for their benefits.
Down
- 1. food made in presence of sunlight.
- 2. organisms that make their own food.
- 3. taking food by an organism and its utilization by the body.
- 7. tiny pores under the leaves.