What likely characterized the common ancestor shared by roaches and termites in the late Paleozoic Era?

Answer

A wood-chewing, terrestrial insect

The common ancestor shared by both cockroaches and termites is hypothesized to have been a terrestrial insect adapted to chewing wood.

What likely characterized the common ancestor shared by roaches and termites in the late Paleozoic Era?
animalinsectevolutioncockroachancestor