(A) In elephants,the tusks are elongated,continuously growing teeth that protrude beyond the mouth. These structures are specifically modified $2^{nd}

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(A) In elephants,the tusks are elongated,continuously growing teeth that protrude beyond the mouth. These structures are specifically modified $2^{nd}$ upper incisors. They are composed of ivory (dentine) and are used for digging,lifting objects,gathering food,and defense.