Question

a) The structures by which enable a cockroach can sense any danger.​

Answer 1

Answer:

When we spray baygon?

Explanation:

Answer 2

At the back of the abdomen are two short protrusions called cerci. They functions like rear antennae and are connected to the roachs leg by abdominal nerve ganglia .These allows their legs to start moving when vibrations are sensed ,often before their brain even processes a threat .