Sensitive plants

Are plants sensitive?

Yes, they are.

How do you know that plants are sensitive?

They respond to stimuli.

What are stimuli?

Stimuli is the plural of stimulus.

What is a stimulus?

It means an exterior condition. 

Give examples of plants' responding.

- they move towards the Sun.

-they throw their leaves in winter.

-plants like the Venus flytrap catches insects, because the leaves respond to their touch.

-mimosa plant closes its leaves at night and opens them in the morning.