Across
- 4. gas that is necessary for photosynthesis
- 5. bacteria that converts atmospheric nitrogen into water soluble compounds
- 6. organisms that make their own food
- 8. organisms that live in or on other living organisms to derive their food from
- 9. green pigment in plant that traps sunlight
- 10. mode of nutrition where 2 different organisms work together for their mutual benefit
Down
- 1. plants that feed on insects
- 2. organisms that depend on others for food
- 3. plants that live on dead and decaying matter
- 7. required by all living organisms for energy