Question

why fish have wet and slimy scales while reptiles have dry scales?

Answer 1

Explanation:

Fish lives in water and reptiles lives on land .

That's why fish have wet and slimy scales while reptiles have dry scales as they do not come in direct contact with water but fish comes in direct contact with water.

Answer 2

The scales on some reptiles help them get moving. In the case of snakes, scales on their bellies grab onto tiny imperfections on surfaces and create friction to propel snakes forward.