Biology, asked by Ravismart9965, 9 months ago

Echinoderm theory of origin of chordats

Answers

Answered by ratanvoleti

Answer:

Explanation:

echinoderm Origin.

Tornaria larva of hemichordates resembles echinoderm larvae such as Bipinnaria, Auricularia, Dipleurula and Doliolaria, which all possess ciliary bands and apical tuft of cilia. ... Garstang and DeBeers proposed that echinoderm larvae gave rise to chordates by neoteny.

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