MICROANATOMY

Detailed explanation-1: -An adaptation is defined as a physical or behavioral feature of an animal that helps them better survive in their environment. In other words, an adaptation is something on their body or something they do with their bodies that help them find food, water, mates, and shelter.

Detailed explanation-2: -Evolutionary adaptation, or simply adaptation, is the adjustment of organisms to their environment in order to improve their chances at survival in that environment.

Detailed explanation-3: -Moist membrane for gas exchange. Ability to move on land (limbs instead of fins) Ability to conserve body water. Ability to reproduce and have early development on land. Ability to survive rapid changes in external environments.