EVERYDAY SCIENCE

Detailed explanation-1: -All amphibians spend part of their lives in water and part on land, which is how they earned their name-“amphibian” comes from a Greek word meaning “double life.” These animals are born with gills, and while some outgrow them as they transform into adults, others retain them for their entire lives.

Detailed explanation-2: -The name amphibian, derived from the Greek amphibios meaning “living a double life, ” reflects this dual life strategy-though some species are permanent land dwellers, while other species have a completely aquatic mode of existence.

Detailed explanation-3: -Amphibians are small vertebrates that need water, or a moist environment, to survive. The species in this group include frogs, toads, salamanders, and newts.

Detailed explanation-4: -amphibian. noun. am·phib·i·an am-ˈfib-ē-ən. : any organism that is able to live both on land and in water. especially : any of a class of cold-blooded vertebrate animals (as frogs and salamanders) that in many respects are between fishes and reptiles.