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 in annelids is more advanced and…The mechanism of gaseous exchange in living…Gaseous exchange occurs through the following…Which of the following compounds is used as a gaseous fuel?In the adult frog gaseous exchange takes the?