Q.Give the systematic position of cockroach.

Cockroaches are used as the standard representative animal type of phylum Arthropoda because they are found virtually everywhere in the world (they are omnipresent), favouring damp, moist places and narrow crevices to hide in. Their lifestyle is described by three habits: they are omnivorous (eating both plant and animal matter), nocturnal (active mainly at night), and cursorial (built for fast running rather than jumping or sustained flight). India commonly has three species: Periplaneta americana (American cockroach — the large reddish-brown species used for study), Blatta orientalis (Oriental cockroach) and Blatta germanica (German cockroach). …