Frogs belong to which order?

a. Anura

b. Urodela

c. Caudata

d. Apoda

Amphibians comprises an estimated 6,770 extant species that inhabit tropical and temperate regions around the world. All living species are classified in the subclass Lissamphibia, which is divided into three orders: Urodela (“tailed”), the salamanders; Anura (“tail-less”), the frogs and Apoda (“legless ones”), the caecilians.

Frogs are amphibians that belong to the order Anura or Salientia (jumpers). Hence, option (a) is the correct answer.

b. Urodela

Salamanders are amphibians that belong to the order Urodela. Hence, option (b) is the incorrect answer.

c. Caudata

Caudata is the other name for the order Urodela which includes salamanders. Hence, option (c) is the incorrect answer.

d. Apoda

Apoda include caecilians a group of amphibians that do not possess limbs. Hence, option (d) is the incorrect answer.