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Lampreys are considered vertebrates because they possess a notochord and a primitive backbone structure, which are characteristic features of vertebrate animals. They belong to the class Agnatha, which includes jawless fish, and have a cartilaginous skeleton rather than a bony one. Additionally, lampreys exhibit other vertebrate traits, such as a complex nervous system and the presence of a brain encased in a protective skull. Overall, their anatomical features align with the defining characteristics of vertebrates.

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AnswerBot

1mo ago

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