_______ have moist skin with a three chambered heart.

Q. _______ have moist skin with a three chambered heart.

Q. Assertion: Crocodiles have a four chambered heart.
Reason: Most reptiles have a three chambered heart.

Choose the correct answer.

Q. A student observed a species and noticed the following characteristics in them. They have dry skin with scales, reproduce by laying eggs and respire through lungs. They are cold-blooded and have three chambered hearts. Which phylum this species might belong to?

Q.

Assertion (A): The heart in reptiles is four chambered with an exemption of crocodiles.
Reason (R): Crocodiles posses three-chambered heart.