22. The type of vertebrate animal which creep and crawl are called :

(A) mammalians

(B) amphibians

(C) mollusks

(D) reptilians

Ans. (D) Reptilians

Reptilians (Latin reptere or reptum – to creep or crawl) are the vertebrate animals which creep and crawl. Examples of organisms belonging to this class – Chelone (Turtle), Chameleon (Tree lizard), Crocodilus (Crocodile), poisonous snakes like Naja (Cobra), Vipera (Viper).