Across
- 4. these manures and fertilizers contain plant nutrients such as
- 6. fungi and bacteria that use this mode of nutrition are known as
- 7. cells the stomata are surrounred by
Down
- 1. two different kinds of organisms work together for their mutual benefit
- 2. are green because of the presence of a green pigment called chlorophyll
- 3. the process of taking in food by an organism and its utilization by the body is called
- 4. plant grow in soil that is not so rich
- 5. soil contains certain bacteria called