BY Team Aakash Byju's
Phototropism: Photo means light and tropism means movement. This is known as phototropism. Example: Sunflower plant.
Different coordinating movements in plants
- Geo means earth and tropism means movement. - Root of the plant always grows downwards. - The response of plant roots towards gravitational force is called geotropism.
- Root of the plant always grows towards the water. - This type of response of plant roots to water is called hydro tropism. - Hydro means water tropism means movement.