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Question
In Procupine, hair of the back are modified into
In Procupine, hair of the back are modified into
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Solution
The correct option is D Spines
The presence of hairs is one of the defining features of mammals. Every mammal has hair on its body at some stage of their life. In some animals, hairs are modified into other structures that have a role in their offence and defence functions. Spines are one such example. They are enlarged and stiffened modifications of hairs and have an outer covering of keratin. In porcupines, they are of different lengths across the body and fall out easily and break on bending.So, the correct answer is 'Spines'.
The presence of hairs is one of the defining features of mammals. Every mammal has hair on its body at some stage of their life. In some animals, hairs are modified into other structures that have a role in their offence and defence functions. Spines are one such example. They are enlarged and stiffened modifications of hairs and have an outer covering of keratin. In porcupines, they are of different lengths across the body and fall out easily and break on bending.
So, the correct answer is 'Spines'.
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