Tropism

This is phototropism because the plant is growing toward the light.

This is geotropism because the roots are getting pulled toward by the earth.

In this the plant wrapped around a stick.

Phototropism-this is the way plants grow toward light.
Geotropism-this is when the plant grows in response to gravity.
Thigmotropism-this is how a plant grows when touching another object.
Hydrotropism-this is the movement by the plants roots toward or away from water of any type of source.

This is hydrotropism because the roots a growing in response to water in the picture.

Field trip.

Hydrotropism

Geotropism

Thigmotropism

Phototropism