Question

Which among the following have scales? 

(i) Amphibians 

(ii) Pisces 

(iii) Reptiles 

(iv) Mammals 

A. (i) and (iii) 

B. (iii) and (iv) 

C. (ii) and (iii) 

D. (i) and (ii)

Answer 1

Pisces and reptiles have scales which act as protection for their body. A scale is a rigid small plate on the body of fishes or reptiles that has many functions. The first is to protect them from enemies or predators. They also decrease water friction so that the animal can move easily in the water