Which of the following sets of animals belong to class cyclostomasis
Which of the following sets of animals belong to class cyclostomasis
A. Herdmania and petromyzon
B. Petromyzon and myxine
C. Amphioxux and balanoglossus
D. Herdmania and myxine
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Correct Answer - B
Tunicates (Herdmania) shows retrogressive metamorphosis which results in the degeneration in adult.
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