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During chordate evolution, what is the sequence (from earliest to most recent) in which the following structures arose?1.amniotic egg 2.paired fins 3.jaws 4.swim bladder 5.four-chambered heart

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Related Test: Basic Biology Practice Test: Basics of Invertebrates


During chordate evolution, what is the sequence (from earliest to most recent) in which the following structures arose?<br>1.amniotic egg 2.paired fins 3.jaws 4.swim bladder 5.four-chambered heart






 
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