What is present as an exoskeleton in the anim | vedclass

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Question

(A) The class $Reptilia$ includes animals that are creeping or crawling. Their body is covered by dry and cornified skin. In these animals, the epider

Vedclass · Accepted Answer

Epidermal scales

Vedclass · Answer

(A) The class $Reptilia$ includes animals that are creeping or crawling. Their body is covered by dry and cornified skin. In these animals, the epidermis is modified to form epidermal scales or scutes, which serve as an exoskeleton to protect the body and prevent water loss. $Ctenoid$ and $Cycloid$ scales are typically found in bony fishes $(Osteichthyes)$, while dermal scales are characteristic of some other groups. Therefore, the correct answer is $Epidermal$ $scales$.

What is present as an exoskeleton in the animals of the class $Reptilia$?

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Statement $A$: The name 'Reptilia' is derived from the Latin word 'repere' or 'reptum',which means 'to creep' or 'to crawl'.
Statement $B$: Since they creep or crawl,it is not necessary that all animals of the class Reptilia are limbless.

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