What is the essential difference between
the larvae or juvunile and adult of echinoderm
Symmetry wise?
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Echinoderms are a phylum of marine animals the adults are recognizable by their radial symmetry like star fish ,sea urchins, sand dollars and sea cucumbers. the have five arms which also known as tube feet the larva of the echinoderms , however, have symmetry
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=> While echinoderm adults are radially symmetrical, the larvae are bilaterally symmetrical. They don't have a head, but they do have a front end, and they have sides that are mirror images of one another. Both internal organs and external surfaces reflect this symmetry, at least in the early forms.
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