How Do Plants Defend Themselves?

At first glance you would think that most plants are highly vulnerable to predators. 

But many plants have defense mechanisms that go beyond the easily visible thorn or sticker. 

Plants use a variety of chemical, electrical and physical defense mechanisms to repel and fight would-be predators. 

This fun and informative Ted-Ed video explains these defense mechanisms and how they work. 

After watching the video don't forget to leave me a comment below!