Difference between revisions of "Mammal"
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'''Mammals''' are a class of [[vertebrate]] animals scientifically known as the Mammalia. They are primarily characterized by the presence of [[mammary glands]] in the female which produce [[milk]] to feed their young, which (except in the case of the [[Monotremes|Monotremata]] which lay eggs), are born live. Mammals are warm-blooded and most are hairy. | '''Mammals''' are a class of [[vertebrate]] animals scientifically known as the Mammalia. They are primarily characterized by the presence of [[mammary glands]] in the female which produce [[milk]] to feed their young, which (except in the case of the [[Monotremes|Monotremata]] which lay eggs), are born live. Mammals are warm-blooded and most are hairy. | ||
| − | + | Evolutionary scientists frequently claim that the first true mammals appeared in the early [[Jurassic]]. | |
[[Category:Vertebrates| ]] | [[Category:Vertebrates| ]] | ||
Revision as of 10:49, March 30, 2007
Mammals are a class of vertebrate animals scientifically known as the Mammalia. They are primarily characterized by the presence of mammary glands in the female which produce milk to feed their young, which (except in the case of the Monotremata which lay eggs), are born live. Mammals are warm-blooded and most are hairy.
Evolutionary scientists frequently claim that the first true mammals appeared in the early Jurassic.
