What is the characteristic feature of Cephalochordates?

Options :
  1. Presence of a notochord that persists throughout life
  2. Presence of a notochord in the embryonic life
  3. Presence of neurocoel
  4. None of the above
Answer and Explanation :-

Answer: Option 1

Explanation:

The characteristics of Cephalochordata are that they are marine animals, segmented, and that they possess elongated bodies with a notochord that extends the length of the body and it persists throughout their life.

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