Across
- 4. Organisms that make their own food.
- 6. Organisms that directly or indirectly depend on green
- 7. for nutrition.
- 8. numerous green structures called
Down
- 1. their food them.
- 2. The cells of green leaves and young stems of plants
- 3. Organisms that live in or on other living organisms and
- 5. Soil contains certain bacteria called
