Able to live or operate both on land and in water, or relating to military operations that use both land and sea forces.
From Greek 'amphibios' (amphi- 'both' + bios 'life'). Scientific classification adopted this term to describe animals that transition between aquatic and terrestrial environments.
Amphibious creatures are like living bridges between two worlds—frogs and salamanders literally evolved to invade land from water, making them some of evolution's greatest success stories and the ancestors of all land vertebrates.
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