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BIOLOGY

JAMB 2015 - Question 3

Biology 2015 JAMB Past Questions - Question 3: which of the following uses diffusion as the principal method of gaseous exchange?

Choose the most appropriate option for the gap .

which of the following uses diffusion as the principal method of gaseous exchange?

A: . Grasshopper

B: Rat

C: Lizard

D: Earthworm

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Correct Answer

Explanation

It uses the moist surface as its respiratory organ. Grasshopper uses trachea while lizard and rat use lungs In terms of evolutionary trends, earthworm (Annelid) is the least while the most advance is rat (mammal)Earthworm---------- grasshopper (insect) —> lizard (reptile) -----------rat (mammal)