Question Detail
Question
What primary adaptation allowed reptiles to successfully reproduce and thrive away from water?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Amniotic eggs provide a self-contained aquatic environment for the embryo, allowing reptiles to lay eggs on land. Metamorphosis is typically seen in amphibians which usually require water.
Hint
Think of the 'land egg' with protective membranes.