A Notochord Is

question 28

Multiple Choice

A notochord is

• A) a strip of cartilage that forms a back and tail in all vertebrates.
• B) a stiff dorsal supporting rod.
• C) replaced by the vertebral column during development.
• D) All of the choices are correct.
• E) a stiff dorsal supporting rod that is replaced by the vertebral column during development.

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