Tropism, what is it?

Tropism is a type of response in plants which permanently changes the direction of a plant's growth.

Select the cases that correspond to a tropism

If a plant grows in the direction of the source of the stimulus is a...

If a plant grows away from the source of the stimulus is a...

Nastic movements are temporary responses of particular parts of a plant to external stimuli. The plant later returns to its original position