Biology, asked by iniyanleve, 6 months ago

List the characteristic features of class Mammalia.

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Answered by 2001roars

Mammals have four limbs and produce amniotic eggs. The mammal class is defined by the presence of mammary glands and hair (or fur). Other traits of mammals include sweat glands in their skin, alveoli in their lungs, a four-chambered heart, and a brain covering called the neocortex.

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