Across
- 3. growth of plant roots to or away water
- 5. a plant hormone that causes elongation
- 6. plant hormone that stimulates germination
- 8. part of plant that grows above soil
- 10. chemical that regulates activity in an organism
- 11. helps plant cells become longer
- 12. hydrocarbon with 2 carbons and a double bond
Down
- 1. the growth of plant in response to gravity
- 2. plants face towards or away from light
- 4. hinder, restrain or prevent growth
- 7. grows down and attaches through the floor
- 9. development of germination in dormancy