Chapter 13 Flashcards: Animal diversification
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dorsal
back
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a rigid but flexible structure that chordates possess
notochord
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deutero
deutero (deuce means two)
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tetra
four
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the rear fins of ancestral fish that gave rise to hindlimbs of tetrapods
pelvic fins
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the membrane that provides a watertight fluid-filled environment for the embryo in an amniotic egg
amnion
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mammals that lay eggs, such as the Platypus
monotremes
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pouched mammals, such as Kangaroos
marsupials
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endo
inside, within (endoplasmic reticulum, endomembrane system)
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maintaining a high internal body temperature
endothermic
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a mammalian clade that possesses opposable thumbs, and includes prosimians, monkeys, and apes
primates
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Peter Chen