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:The mechanism of gaseous exchange in living…Gaseous exchange occurs through the following…The sequence of the one-way gaseous exchange…Which of the following statements about the gaseous…The structures for gaseous exchange in breathing roots are?