JAMB Biology 2007 Objective — Question 18
Question 18 of 50 from the Joint Admissions and Matriculation Board (JAMB) Biology 2007 Objective paper, with the correct answer and a full explanation.
Advertisement
Which of the following uses diffusion as the principal method of gaseous exchange?
- A. Rat
- B. Lizard
- C. EarthwormCorrect
- D. Grasshopper
Explanation
Small organisms with a large surface-area-to-volume ratio, like the earthworm, rely on diffusion for gaseous exchange; larger animals such as rats and lizards need more specialized systems.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.