Question

schematic repreesentation of chordata with example
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Answer 1

Answer:

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Explanation:

Schematic representations of larvae and adults of deuterostome phyla. The drawings of the chordates express the hypothesis proposed in this paper. The urochordates are represented by a tadpole larva. Arrows 1 and 2 denote movements of the apical pole and the mouth, respectively. The apical pole is indicated by arrowheads, the mouth by white arrows, and the anus by black arrows. The intraepithelial nervous system of the adult enteropneust (see Fig. 5) has been omitted. The position of the new anus in the ancestral urochordate larva is uncertain, because it is unknown when the atrium evolved.

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