The common characteristic of all vertebrates | vedclass

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(B) The subphylum $Vertebrata$ is characterized by the presence of a notochord during the embryonic period,which is replaced by a cartilaginous or bon

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Presence of a well-developed skull

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(B) The subphylum $Vertebrata$ is characterized by the presence of a notochord during the embryonic period,which is replaced by a cartilaginous or bony vertebral column in the adult. Additionally,all vertebrates possess a well-developed cranium (skull) that encloses the brain. While other features like appendages or specific body divisions may vary or be absent in certain groups (e.g.,snakes lack appendages),the presence of a cranium is a diagnostic feature of all vertebrates.

The common characteristic of all vertebrates without exception is:

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