Subcategory Amphibians
Amphibians are ectothermic, vertebrate animals that typically have a moist, permeable skin, lay eggs in water, and undergo metamorphosis in their life cycle. They are known for their ability to live both in water and on land, with many species possessing adaptations such as lungs for breathing air and skin capable of gas exchange. Amphibians include frogs, toads, salamanders, and newts.