Question

Read the given statements and select the correct option. Amphibians often hibernate in winter and aestivate in summer. They are poikilothermic animals and cannot regulate body temperature.

• A. Both statements $1$ and $2$ are correct
• B. Statement $1$ correct but statement $2$ is incorrect
• C. Statement $1$ incorrect but statement $2$ is correct
• D. Both statements $1$ and $2$ are incorrect

Answer 1

Answer: (A)

Both statements $1$ and $2$ are correct

Answer 2

Amphibians are poikilothermic animals, i.e. they cannot regulate body temperature. Their body temperature varies with the environment. Therefore, they hibernate in winter (winter sleep) to keep their body warm and aestivate in summer (summer sleep) to keep their body cool.