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What is the subphylum that includes vertebrates?
What is the subphylum that includes vertebrates?
Which group of vertebrates includes sharks, rays, and ratfish?
Which group of vertebrates includes sharks, rays, and ratfish?
Which group of vertebrates includes coelacanths and lungfish?
Which group of vertebrates includes coelacanths and lungfish?
What is the length range of extant vertebrates mentioned in the text?
What is the length range of extant vertebrates mentioned in the text?
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