DENDROLOGY

Detailed explanation-1: -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-2: -The word “amphibian” is derived from the Greek term “amphibios” (amphi = dual or both, bios = life). Frog is thus, called an amphibian because it can live not only on land but also in water.

Detailed explanation-3: -Traditionally, the living amphibians have been grouped into three classes: Anura or Salientia–frogs and toads. Urodela or Caudata–newts, salamanders, mudpuppies, etc. Gymnophiona–caecilians.

Detailed explanation-4: -frog and toad, (order Anura), either also called anuran or salientian, amphibians belonging to the order Anura, which, because of their wide distribution, are known by most people around the world.