Across
- 4. the mode of nutrition where two different organisms work together for their mutual benefits
- 6. organisms that live in or on other living organisms and derive their food from them
- 8. organism that directly depend on green plant for nutrition
- 9. - organisms that can make their own food from simple non-living substances
- 10. of a group of unicellular, multicellular, or syncytial spore-producing organisms feeding on organic matter
Down
- 1. a nitrogen-fixing bacterium that is common in the soil, especially in the root nodules of leguminous plants.
- 2. process of providing or obtaining the food necessary for health and growth
- 3. the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen
- 5. organisms that live on dead plants and animals and derive their food from them
- 7. green pigment, present in all green plants