Respuesta :
Mammals (Mammalia) are a class of vertebrate homeothermic amniotes of "warm blood" that have milk-delivering mammary organs with which they feed the youthful.
Most are viviparous with the eminent exemption of the monotrematas like platypus and echidnas. A reasonable illustration of a well evolved creature is man and his closest companion, the canine.
The class Mammalia , described by the presence of mammary organs which in females produce milk for taking care of their young, a neocortex an area of the mind, hide or hair, and three center ear bones. These qualities recognize them from reptiles and birds, from which they separated in the Carboniferous.
This should not be remembered for the notes, since it is experimentally endorsed that warm blooded animals have the ability to deliver milk and give this food to their young, which is imperative for people or canines as in the model.
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