Select the correct option for the $notochord$:

  • A
    It is a rod-like structure derived from the mesoderm.
  • B
    It is absent in Porifera to Echinodermata.
  • C
    In vertebrates,the $notochord$ is replaced by the vertebral column.
  • D
    All of the above.

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Similar Questions

Non-chordates are characterized by the absence of which of the following features?

In $Urochordata$,the notochord is found in:

All vertebrates are chordates but all chordates are not vertebrates. Explain.

What are animals called if they possess a notochord?

Which of the following is a chordate feature,not shared by the non-chordates?

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