What trait is cited as key to the deep, generalized evolutionary success of the basic cockroach body plan?

Answer

Being omnivorous and resilient to broad changes

The cockroach body plan—described as flat, fast, armored, and omnivorous—is inherently resilient because its generalist nature allows it to weather major upheavals better than specialized groups.

What trait is cited as key to the deep, generalized evolutionary success of the basic cockroach body plan?
animalinsectevolutioncockroachancestor