Across
- 2. for nutrition.
- 3. - the process of taking in food by organism and its
- 6. by the body.
- 7. organisms that live on dead plants and animal and derive
- 10. organisms that can make their food from simple
- 11. food from them.
- 12. their food from them.
Down
- 1. - presence of green pigment.
- 4. organisms that directly and indirectly depend on green
- 5. substances.
- 7. - the mode of nutrition where two different organisms
- 8. - organisms that live in or other living organisms and
- 9. together for their mutal benefit.