Amongst chordates, the paired appendages are absent in
A
Hemichordates
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B
Urochordates
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C
Cephalochordates
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D
All the above
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Solution
The correct option is C All the above D. All of the above
EXPLANATION: Paired appendages are not found in ancestral vertebrates. Appendages appeared during the early evolution of the fishes. Fins are present in fishes and limbs are present in land vertebrates. Paired appendages are not present in hemichordates, urochordates and cephalochordates.