Yes, but they eat plant seeds and vegetables.
yes
Yes.
Pillbug
Two
It falls under Isopoda -- "Shelled" crustaceans with 7 pairs of legs.
3
Around 300,000,000 years.
A sunflower is a producer. It is not a decomposer.
Nothing. They're terrestrial.
In dark and sheltered spots in your garden.
Search "sowbug" or "pillbug" to view.
A wallaby is not a decomposer. It is a consumer.