Question

Which among these is not a cold-blooded vertebrate?

• A. Torpedo
• B. Draco
• C. Hyla
• D. Struthio

Answer 1

Answer: (D)

Struthio

Those vertebrates that cannot regulate their body temperature are called cold-blooded while those who have mechanisms to regulate their body temperature according to their changing environment are called warm-blooded.

Cold-blooded vertebrate groups include fish, amphibians & reptiles. Warm-blooded vertebrate groups include birds & mammals.

Torpedo is a fish - Cold-blooded

Draco is a reptile - Cold-blooded

Hyla is an amphibian - Cold-blooded

Struthio is a bird - Warm-blooded

So, the correct answer is option B.