AQA GCSE Biology · 8461
Specification 4.5.4.1, 4.5.4.2 · Paper 2
A chemical produced by a plant that coordinates its growth or development.
Revise: Plant Control and CoordinationPlant hormones are chemicals that coordinate growth. One of them, auxin, can become unevenly distributed across a growing shoot or root. The two sides then grow at different rates.
- Revise: Plant Hormone Uses