3. An earthworm can carry out gaseous exchange through its body surface,while coackroach cannot .Why?
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Answers
Answer:
An earthworm can carry out gaseous exchanges through its body surface but a cockroach can't.
Explanation:
This happens because the earthworm har a porous body which means it has pores on its body. A cockroach can't perform this action because its body is covered by oily membranes.
Answer:
An earthworm can carry out gaseous exchange through its body surface, while cockroach cannot.
Explanation:
This is because, an Earthworm, which is an Annelida has a respiratory system which is totally different from a Cockroach, that is an Arthropoda. The earthworm’s body has a skin that allows for gaseous diffusion, with which begins the respiratory cycle of an earthworm. Cockroaches however has certain holes or openings called spiracles in the lower portion of the body that enables them to exchange gases.