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Diversity of Mammals
Diversity of Mammals
5
Biology
7th Grade
04/25/2008
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Term
Placental Mammals
 Definition
a mammal that develops inside its mother's body until its body systems can function independently
Term
Placenta
 Definition
a membrane that becomes the link between the developing embryo of the fetusand the mother
Term
Monotreme
 Definition
a maamal that lays eggs
Term
Marsupial
 Definition
a mammal whose young are born alive at an early stage of development, and which usualy continue to develop in a pouch on its mothers body
Term
Gestation Period
 Definition
the length of time between fertilization and the birth of a mammal
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