This, on the other hand, is what's called a chrysalis. It's not a sack or a pouch; it's actually the caterpillar's own body. When it's time for the transformation to begin, the caterpillar's body ...

6 Their caterpillars should get bigger, and might even shed their skin. 7 After a while, they will turn into a chrysalis. They will look as if they are dead, but wait patiently. 8 One day each ...