3
Two
Most can curl up into a ball.
A pillbug, also known as a roly-poly, has a segmented body consisting of 14 segments. This includes the head, the thorax, and the abdomen, with each segment contributing to its overall flexibility and mobility. The segments are covered by a hard exoskeleton, which provides protection and helps retain moisture.
Grasshopper have 3 body division, they are head, thorax, and abdomen.
They're the same thing, but there are many kinds of them.
20
yes
Yes.
2 body division.the posterior and anterior
Pillbug
It has 3 body division and has 3 pair of legs
It falls under Isopoda -- "Shelled" crustaceans with 7 pairs of legs.