00:00When the caterpillar bites into the bean, the plant detects its saliva and knows it's being attacked by a caterpillar.
00:07So it releases special chemicals from its leaves.
00:11These act as a signal that gets carried on the wind until it reaches a wasp.
00:16And when the wasp follows the scent, it lands on the caterpillar, kills it, and eats it, saving the plant
00:23from danger.
