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Question
An animal which has notochord throughout its life is
An animal which has notochord throughout its life is
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Solution
The correct option is C Amphioxus
The notochord is a cartilaginous structure which supports the body. It is formed by vacuolated cells. They are filled with fluid. These turgid cells will give strength to the notochord. This notochord is covered by a sheath of connective tissue. Amphioxus has notochord throughout its life. The notochord extends from the anterior end to the posterior end. It is placed below the dorsal nerve cord and above the alimentary canal. So, the correct answer is option D.
The notochord is a cartilaginous structure which supports the body. It is formed by vacuolated cells. They are filled with fluid. These turgid cells will give strength to the notochord. This notochord is covered by a sheath of connective tissue. Amphioxus has notochord throughout its life. The notochord extends from the anterior end to the posterior end. It is placed below the dorsal nerve cord and above the alimentary canal.
So, the correct answer is option D.
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