echinoderm echinoderms Etymology :New Latin Echinodermata, phylum name, from echin- + -dermata. Pronunciation :i-'kI-n&-"d&rm. Function :noun. Date :1835.
| echinoderm | A phylum of small, slow, spiny-skinned animals with no brain, often with five-pointed star designs They live underwater and have a stiff inside skeleton | en | |||
| echinoderm | marine invertebrates with tube feet and calcite-covered five-part radially symmetrical bodies | en | |||
| echinoderm | One of the Echinodermata | en | |||
| echinoderm | Any member of the Echinodermata, a group of radially symmetric, spiny-skinned marine animals. Examples of echinoderms include seastars, sea urchins, sea cucumbers, crinoids, and sand dollars | en | |||
| echinoderm | sea animal which has no backbone, marine invertebrate animal isim | en | |||
| echinoderm | Animal of phylum Echinodermata, includes starfish and sea urchins | en | |||
| echinoderm | Any of various marine invertebrates (phylum Echinodermata) characterized by a hard spiny covering, a calcite skeleton, and five-rayed radial body symmetry. About 6,000 existing species are grouped in six classes: feather stars and sea lilies (Crinoidea), starfishes (Asteroidea), brittle stars and basket stars (Ophiuroidea), sea urchins (Echinoidea), sea daisies (Concentricycloidea), and sea cucumbers (Holothurioidea). Echinoderms are found in all the oceans, from the intertidal zone to the deepest oceanic trenches. Most species have numerous tube feet that are modified for locomotion, respiration, tunneling, sensory perception, feeding, and grasping. Movement of water through a water vascular system composed of five major canals and smaller branches controls extension and retraction of the tube feet. Most echinoderms feed on microscopic detritus or suspended matter, but some eat plants | en | |||
| echinoderm | One of a group of invertebrate animals identified by their spiny skin, including sea stars, sea urchins and sand dollars "Echinos" means spiny; "derma" means skin | en | |||
| echinoderm | A member of the Phylum Echinodermata, including starfish, sea urchins, and crinoids | en | |||
| echinoderm | Marine animals usually characterised by a five-fold symmetry, and possessing an internal skeleton of calcite plates, and a complex water vascular system Includes echinoids (sea urchins), crinoids (sea lillies) and asteroids (starfish) | en | |||
| echinoderms | plural of echinoderm | en | |||
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