Across
- 3. the process of providing or obtaining the food necessary for health and growth.
- 5. organism that lives on dead or decaying organic matter.
- 6. an organism which lives in or on another organism (its host) and benefits by deriving nutrients
Down
- 1. 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 as a by-product.
- 2. interaction between two different organisms living in close physical association, typically to the advantage of both.
- 4. a substance that provides nourishment essential for the maintenance of life and for growth.