NEET BIOLOGY

BIOLOGICAL CLASSIFICATION

KINGDOM ANIMALS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which name literally means “double life", describing animals that live part of their life in water and part of their life on land?
A
Amphibians
B
Birds
C
Reptiles
D
Mammals
Explanation: 

Detailed explanation-1: -Amphibian, derived from the Greek word amphibious meaning “living a double life, ” reflects the dual life strategy. Amphibians are poikilotherms animals. They are amphibious in nature viz. they leave in both land as well as water.

Detailed explanation-2: -The word amphibian comes from the Greek word amphibios, which means “to live a double life.” The noun amphibian has its roots in the words amphi, meaning “of both kinds, ” and bios, meaning “life.” The word is used for the class of animals that spend part of their lives in water and part on land.

Detailed explanation-3: -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-4: -Amphibians can live on both land and water. Amphibians like to live near water bodies. Amphibians can breathe on land as well as in water. Frogs, salamanders and toads are some examples of amphibians.

Detailed explanation-5: -Amphibians are vertebrates (animals with backbones) which are able, when adult, to live both in water and on land. Unlike fish, they can breathe atmospheric oxygen through lungs, and they differ from reptiles in that they have soft, moist, usually scale-less skin, and have to breed in water.

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