Which of the following used diffusion as the principal method of gaseous exchange? by Sunday | Sep 9 | Biology JAMB | 0 comments A. lizard B. grasshopper C. rat D. earthworm Correct Answer: Option D – earthworm Users Also Read These:Gaseous exchange takes place in the adult toad through the?The mechanism of gaseous exchange in living…Gaseous exchange occurs through the following…A principal member of the stock exchange who buys…Which of the following compounds is used as a gaseous fuel?