What Is the Opposite of Mammal?

Answer

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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Mammals are warm blooded creatures that do not lay eggs to reproduce. Instead, they give birth to live young. They also have either fur or hair. Humans are an example of mammals.
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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
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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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