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_...
Mammal is a classification, within a group of many other classifications, with
http://www.chacha.com/question/what-is-the-opposit...
A placental mammal is one having a placenta. This excludes monotremes or marsupials, pouched mammals.
http://www.kgbanswers.com/what-is-the-opposite-of-...
Mammals nurse their young with milk (mammary glands, etc.) and the opposites do not (insects, birds that lay eggs, fish, lizards, etc.).
http://answers.yahoo.com/question/index?qid=200811...
1 Additional Answer
Ask.com Answer for: what is the opposite of mammal
Thesaurus Search
Find synonyms and antonyms on thesaurus.com:
Find the definition on Ask.com:
About -  Privacy -  Careers -  Ask Blog -  Mobile -  Help -  Feedback  -  Sitemap  © 2014 Ask.com