Question

cockroach moves on the rough surface by​

Answer 1

Cockroach uses plantule to walk on smooth surface. It uses claws and arolium to walk on rough surfaces.

Answer 2

Answer:

cockroach moves on the rough surface by the help of claws.

Explanation:

To know more about it,we must understand the following-

Structure of cockroach-

• The three pairs of legs are sturdy, with five claws and large coxae each.
• Claws and Coxaem are attached to each of the three thoracic segments.
•  the front legs are the shortest and the hind legs the longest,
• they are providing the main propulsive power when the insect runs.
• The spines on the legs are sensory,

Locomotion in cockroach-

In  cockroaches ,the pretarsal claws allow cockroaches to grip and move over rough surfaces, and the  adhesive organ is arolium of the cockroach foot .

Pretarsal claws

They are Pad-like, refers to the absence of a hook,  to a pad-like appearance, contains a  profusion of tenent hairs often obscures the empodial base