Across
- 3. biological control uses these living things
- 8. given out during photosynthesis
- 9. when humans use too much pesticides or herbicides
- 10. compete with crops for nutrients
Down
- 1. to get rid of weeds
- 2. an example of a pest
- 3. chlorophyll is needed for this
- 4. to get rid of pests
- 5. an example of a use of biological control
- 6. helps to increase amount of crops produced
- 7. destroy the crops by eating them