Across
- 2. an organism which lives in or on another organism.
- 6. the process by which green plants use sunlight to synthesize nutrients from carbon dioxide and water.
- 7. an organism deriving its nutritional requirements from complex organic substances.
- 9. The process of taking in food by an organism and its utilization by the body is called.
- 10. An organism capable of synthesizing its own food from inorganic substances using light or chemical energy.
Down
- 1. interaction between two different organisms living in close physical association.
- 3. able to capture and digest insects.
- 4. a plastid in green plant cells which contains chlorophyll.
- 5. presence of a single cell.
- 8. a nitrogen-fixing bacterium that is common in the soil.