What is something that makes amphibians disstinctive?

Amphibians are distinctive for their unique life cycle that typically includes both aquatic and terrestrial stages, beginning with an egg that hatches into a larval form, such as a tadpole. They possess permeable skin that allows for respiration and moisture absorption, making them reliant on moist environments. Additionally, amphibians are cold-blooded and exhibit remarkable adaptations for both land and water habitats. Their diversity includes frogs, salamanders, and caecilians, each showcasing various adaptations to their environments.