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 occurs through the following…Which part of the gill of fish is involved in…The mechanism of gaseous exchange in living…In the adult frog gaseous exchange takes the?Gaseous exchange takes place in the adult toad through the?