Across
- 4. when two organisms work together for their mutual benefit
- 6. plants which make their own food
- 8. plants which feed on insects
Down
- 1. the synthesis of food which occurs in the presence of sunlight
- 2. the plant from which a parasite gets it food
- 3. a bacteria that can take nitrogen and convert it into a soluble form that plants can obsorb
- 5. organisms that live on dead plants and animals and derive their food from them
- 7. organisms which live on other organisms and derive food from them