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echinoderm
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echinoderm

Marine invertebrate of the phylum Echinodermata (‘spiny-skinned’), characterized by a five-radial symmetry. Echinoderms have a water-vascular system which transports substances around the body. They include starfishes (or sea stars), brittle-stars, sea lilies, sea urchins, and sea cucumbers. The skeleton is external, made of a series of limy plates. Echinoderms generally move by using tube-feet, small water-filled sacs that can be protruded or pulled back to the body.
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Induction of larval metamorphosis, survival and growth of early juveniles of the burrowing echinoid Echinocardium cordatum (Echinodermata).
Natural variation in larval size and developmental rate of the ... by Przeslawski, R.; Webb, A.R. / Journal of Shellfish Research
He wears a crab for a breastplate and an octopus on his shoulder, an eel coiled about his throat and an echinoid crown.
Natural wonders by guardian.co.uk / guardian.co.uk
Comparing patterns of evolution: larval and adult life history stages and ribosome RNA of post-Paleozoic echinoids.
The oldest domesticated fishes, and the consequences of an epigenetic ... by Balon, Eugene K. / Aqua: journal of ichthyology & aquatic biology
 
 
 
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