Answer: It is <u>D</u> (lungs) because they can't use gills on land. Gills help them breathe underwater and lungs are the only other way for them to breathe
It is also <u>C</u> (scaly skin<u>)</u> because the reptiles have dry, scaly skin. But they don't need moisturizer! Their special covering actually helps them hold in moisture and lets them live in dry places.
Explanation: The answers are D and C lungs and scaly skin.