The Amniotic Egg
Cuticle.
Water
No. Snakes and other reptiles generally mate and reproduce on land.
They do not need water to reproduce.
Alligators are reptiles. Because they don't require water to reproduce, they are not amphibians.
It was an advantage because reptiles no longer had to stay near bodies of water and could live in more environments than amphibians.
No. Reptiles commonly reporduce on land.
Adaptation
many desert plants like the barrel cactus , supply water with its leaves, specific "barrel" shape, etc which will let it thrive on its water that it stored
Salamanders and newts are not reptiles because they reproduce by laying eggs in water and are aquatic for part of their life cycle. They are amphibians like frogs and toads.
1. reptiles are cold bloodied and can go for long periods without eating because they are not using food to keep warm . 2. reptiles have a scaly skin, which helped them adapt for camouflage,reduce loss of water via sweat and strong defence against skin being damaged by other predators.
Early land animals had to return to the water to reproduce.