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Biology
The echinoderms, hemichordates and chordates had which of the following larva as a common ancestral form?
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Q. The echinoderms, hemichordates and chordates had which of the following larva as a common ancestral form?
Animal Kingdom
A
Tornaria
9%
B
Trochophore
17%
C
Dipleurula
64%
D
Bipinnaria
10%
Solution:
Echinodermata, hemichordata and chordata have arisen from a common ancestral stock, probably the dipleurula larva.