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Echinoderms (Phylum Echinodermata) are a phylum of marine animals. Echinoderms are found at every ocean depth, from the intertidal zone to the abyssal zone. Aside ...
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n. Any of numerous radially symmetrical marine invertebrates of the phylum Echinodermata, which includes the starfishes, sea urchins, and sea cucumbers, having an ...
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echinoderm (animal phylum), any of a variety of invertebrate marine animals belonging to the phylum Echinodermata, characterized by a hard, spiny covering or skin.
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Echinoderms are a successful phylum of marine animals. They include starfish, sea urchins, sea cucumbers and their relatives. Echinoderms have these features: A ...
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Echinoderms. Phylum: Echinodermata. Echinoderms have a few important aspects in common. They have bony ossicles in their body. They have a water-vascular system which ...
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Visit the Echinoderm Homepage at the California Academy of Sciences for additional information and links. Or peruse the Echinoderm Newsletter, brought to you by the ...
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Echinoderms (Phylum Echinodermata, from the Greek for spiny skin) are a phylum of marine invertebrates that are generally characterized by a hard, internal calcite ...
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e·chi·no·derm (-k n-dûrm) n. Any of numerous radially symmetrical marine invertebrates of the phylum Echinodermata, which includes the starfishes, sea urchins ...
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noun any marine animal of the invertebrate phylum Echinodermata, having a radiating arrangement of parts and a body wall stiffened by calcareous pieces that may ...
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When they settle to the bottom they change to the typical echinoderm features. Echinoderms can regenerate missing limbs, arms, spines - even intestines ...
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