What Is the Opposite of Mammal?


Since mammals are vertebrate animals, the opposite of mammals would be the invertebrate animals such as molluscs, worms and insects. Mammals are members of class Mammalia; the air-breathing vertebrate animals that mainly feed their young on mother's milk.
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Mammal is a classification, within a group of many other classifications, with
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Egg laying animals are known as oviparous. Mammals are viviparous. your_guide123@yahoo.com
There are 92 species of American opossums, most of which live in central and south America. Opossums are small, usually omnivorous foragers that have adapted to diverse environments
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