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Question
Which of the following animal is sessile?
Which of the following animal is sessile?
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Solution
The correct option is B Herdmania
Balanoglossus belongs to the group of Hemichordates. They are also known as acorn worms. They move with the help of cilia and peristalsis of the proboscis. They are also known as burrowing Hemichordate.
Amphioxus is also known as lancelet. These are marine chordates. They have elongated body which tapers at both the ends. They move with the ciliary action.
Herdmania belongs to the group of Urochordates. They are also known as are sea squirts. The adult form of this organism are sessile in nature. They remain attached to the rocky substratum throughout their life.
Thus, the correct answer is option B.
Balanoglossus belongs to the group of Hemichordates. They are also known as acorn worms. They move with the help of cilia and peristalsis of the proboscis. They are also known as burrowing Hemichordate.
Amphioxus is also known as lancelet. These are marine chordates. They have elongated body which tapers at both the ends. They move with the ciliary action.
Herdmania belongs to the group of Urochordates. They are also known as are sea squirts. The adult form of this organism are sessile in nature. They remain attached to the rocky substratum throughout their life.
Thus, the correct answer is option B.
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