The closest relatives to pillbugs, which are crustaceans, are other members of the class Malacostraca, particularly the isopods. Among these, terrestrial isopods like the common roly-poly are direct relatives. More broadly, their closest relatives include shrimp and crabs, as all belong to the larger group of crustaceans.
Yes.
yes
Pillbug
Two
Yes they are, I used to play with them all the time. FUN FACT: Pillbugs curl into tight balls when threatened.Most kids have poked a pillbug to watch it roll up into a tight ball. In fact, many people call them roly polies for just this reason. Its ability to curl up distinguishes the pillbug from another close relative, the sowbug....
It falls under Isopoda -- "Shelled" crustaceans with 7 pairs of legs.
3
Around 300,000,000 years.
Nothing. They're terrestrial.
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In dark and sheltered spots in your garden.
To find the speed of the pillbug, you can use the formula for speed, which is distance divided by time. In this case, the pillbug travels 1 cm in 2 minutes. Therefore, its speed is 1 cm / 2 minutes, which simplifies to 0.5 cm per minute.