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.
Q&A Related to "What Is the Opposite of Mammal"
There is no "opposite" of mammals, only different life forms, such as reptiles (cold-blooded, egg-laying) or insects (very dissimilar) or bacteria (not multicellular) Mammal
http://wiki.answers.com/Q/What_is_the_opposite_of_...
According to the American Society of Mammalogists, within the taxonomy that scientists use to classify animals, mammals fall under the Class Mammalia in the Phylum Chordata of the
http://www.ehow.com/info_8555545_types-animals-mam...
The hog-nosed or bumblebee bat ( Craseonycteris thonglongyai. is generally described as the smallest mammal, but the pygmy shrew. Suncus etruscus. was considered the smallest before
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Humans are warm blooded Animals. Answer: Human beings are classified as Hominidae (Hominids) or. Great Apes. Answer: The full breakdown of where humans fit into the system is as follows
http://wiki.answers.com/Q/What_kind_of_mammal_are_...
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