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7 Cards in this Set
- Front
- Back
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SYNAPSID
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member of an amniote clade distinguished by a single hole on each side of the skull
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MONOTREMES
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found only in Austrailia and New Guinea and are represented by one species of platypus and four species of echidnas--monotremes lay eggs, have hair and produce milk--but the milk is secreted by glands rather than nipples
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MARSUPIAL
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a mammal, such as a koala, kangaroo or opossum, whose young complete their embryonic development inside a maternal pouch called the marsupium
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PLACENTA
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a structure in the pregnant uterus for nourishing a viviparous fetus with the mother's blood supply; formed from the uterine lining and embryonic membranes
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EUTHERIAN
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placental mammal; mammal whose young complete their embryonic development within the uterus, joined to the mother by the plancenta
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OPPOSABLE THUMB
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a thumb that can touch the ventral surface of the fingertips of all four fingers
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ANTHROPOID
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member of a primate group made up of monkeys and the apes
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