Tag: Cloning

  • Echinoderm reproduction and pluteus larva

    Echinoderm reproduction and pluteus larva

    An echinoderm is any member of the phylum Echinodermata. The adults are recognisable by their (usually five-point) radial symmetry, and include starfish, brittle stars, sea urchins, sand dollars, and sea cucumbers, as well as the sea lilies or “stone lilies”. Adult echinoderms are found on the sea bed at every ocean depth, from the intertidal zone to the abyssal zone. The phylum contains about 7,000 living species, making it the second-largest…

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