Which of the following is a warm-blooded animal?
- AToad
- BCrocodile
- CFish
- DMore than one of the above
- ENone of the above
Show answer and explanation
Correct answer: (e) None of the above
Explanation
Only birds and mammals are warm-blooded: they keep their body temperature steady.
The toad (an amphibian), the crocodile (a reptile) and fish are all cold-blooded, so none of them is warm-blooded: "None of the above".