a
keratinous scale
b
claws on limbs
c
long tails
d
long sticky tongues
Explanation
Correct Option
aVideo Explanation
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Discussions (2)

Ebube
2 years ago
Reptile species like lizards and crocodiles are well known for their armoured skin. They are covered in tough scales made of keratin, a protein that makes up hair and nails of vertebrates. Arranged in an overlapping pattern, they shield the animals from any predators or the environment.
NB: Pangolins are the only mammals with Keratinous scales

Scheilder
4 months ago
keratin is use to prevent water loss from the skin and to prevent the entry of microbes into the body.

