History, asked by sritamrout, 5 months ago

presence of cranium and paired appendages is a characteristic feature of agnatha​

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Answered by Anonymous
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Explanation:

In addition to the absence of jaws, modern agnathans are characterised by absence of paired fins; the presence of a notochord both in larvae and adults; and seven or more paired gill pouches. ... The Agnatha are ectothermic or cold blooded, with a cartilaginous skeleton, and the heart contains 2 chambers.

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