Question

explain body of earthworm and cockroach ...​

Answer 1

Answer:

(I) Earthworms digestive track is straight and simple. cockroach is curved and more developed.(ii) Earthworm absorb oxygen passively through the moist skin while the cockroach takes gas diffusion place through their spircle .

Locomotion (i) Earthworm use their circular & longitudinal muscles with setae covering the body .Cockroaches use legs and wings to move........

Answer 2

Cockroach and earthworm are non-chordates and have a solid ventral nerve cord. It is present at the anterior side of the body. It helps in the support and attachment of muscles.