The study of lizards is known as:

Give an example of the following:
$(a)$ $A$ viviparous animal
$(b)$ $A$ fish possessing a poison sting
$(c)$ $A$ fish possessing an electric organ
$(d)$ An organ which regulates buoyancy
$(e)$ An animal which exhibits alternation of generation
$(f)$ An oviparous animal with mammary glands

Among the following animals, which one produces the smallest egg?

Give the names of the following:
$(a)$ $A$ limbless animal
$(b)$ $A$ cold-blooded animal
$(c)$ $A$ warm-blooded animal
$(d)$ An animal possessing dry and cornified skin
$(e)$ An animal having a canal system and spicules
$(f)$ An animal with cnidoblasts

Which of the following are correctly matched with respect to their taxonomic classification?

Mention two similarities between:
$(a)$ Aves and mammals
$(b)$ $A$ frog and crocodile
$(c)$ $A$ turtle and Pila