noun
- cold-blooded vertebrate animals that can live both on land and in water, typically having gills when young and lungs as adults
Usage: biology; plural form
Examples
- Frogs and toads are common amphibians found in ponds.
- Amphibians undergo metamorphosis from aquatic larvae to terrestrial adults.
- Salamanders are amphibians that can regenerate lost limbs.
- Many amphibians are threatened by habitat loss and pollution.
- The biology class studied different types of amphibians.
- Amphibians have permeable skin that helps them breathe underwater.