Frogs

Frogs can live both on land and in freshwater, and they belong to the class Amphibia of the phylum Chordata. The most common species found in India is Rana tigrina, the Indian bullfrog, which serves as a convenient representative of the vertebrates for studying morphology and anatomy.

Frogs do not maintain a constant body temperature; their body temperature changes with the temperature of the surrounding environment. Animals of this kind are described as cold-blooded or poikilotherms. Alongside this, frogs can alter the colour of their body while resting among grasses or on dry land, giving them the ability to hide from their enemies. This form of protective coloration or camouflage is called mimicry. …