Disscuss affinity of hemichordate
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Answer: Affinities of Hemichordata
Explanation: Earlier workers placed hemichordates as a sub phylum under the phylum Chordata. ... The name Hemichordata suggests that they are half chordates. The close affinities of Hemichordata with Echinodermata, Annelida, Pogonophora, Phoronida have led to the conclusion that they have arisen from a common ancestral stock.
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