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Notochord is restricted in tail of
Notochord is restricted in tail of
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Solution
The correct option is D Urochordates
The Urochordata are known as tunicates. They are marine and invertebrate organisms. They are known as sea squirts. The body of an adult tunicate is quite simple. There is a swollen sac like body. There are two siphons through which the water enters and exits. There are many tunicates which have a larva that is free-swimming. The larvae exhibits all the chordate characteristics. They possess a notochord which is present in the tail. This is the feature of the urochordates that the notochord is present and restricted in the larval tail. Thus, the correct answer is option C.
The Urochordata are known as tunicates. They are marine and invertebrate organisms. They are known as sea squirts. The body of an adult tunicate is quite simple. There is a swollen sac like body. There are two siphons through which the water enters and exits. There are many tunicates which have a larva that is free-swimming. The larvae exhibits all the chordate characteristics. They possess a notochord which is present in the tail. This is the feature of the urochordates that the notochord is present and restricted in the larval tail.
Thus, the correct answer is option C.
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