Question

One characteristic of many lamprey but not of hagfishes is

Answer 1

Today, hagfishes and lampreys are recognized as separate clades, primarily because lampreys are true vertebrates, whereas hagfishes are not. A defining feature is the lack of paired lateral appendages (fins). Some of the earliest jawless fishes were the ostracoderms (which translates to “shell-skin”).

Step-by-step explanation:

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