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- Echinoderm - Wikipedia
There are about 7,600 extant species of echinoderm as well as about 13,000 known extinct species [9][10] All echinoderms are marine, but they are found in habitats ranging from shallow intertidal areas to abyssal depths
- Echinoderm | Definition, Characteristics, Species, Facts | Britannica
Echinoderm, any of a variety of invertebrate marine animals belonging to the phylum Echinodermata, characterized by a hard, spiny covering or skin Living species include sea lilies, sea urchins, sea cucumbers, starfishes, basket stars, and sea daisies
- Echinoderms - Definition, Examples, Characteristics, and Habitat
Echinoderms are spiny-skinned invertebrates of the phylum Echinodermata, specifically recognized by the pentamerous body (five-pointed) symmetry in adults The phylum derives its name from the Greek words ‘ekhînos,’ meaning ‘ hedgehog,’ and ‘dérma,’ meaning skin
- Sea Stars, Urchins, and Relatives - Smithsonian Ocean
Together, these animals make up the Echinodermata, a word with Greek origins meaning “hedgehog skin ” Echinoderms live in every ocean, even off the coast of Antarctica Well known as coastal dwellers, they can be found at depths over three miles deep (5,000 meters)
- Echinoderm - Definition, Characteristics Examples - Biology Dictionary
Echinoderm Definition An echinoderm is a member of the phylum Echinodermata which contains a number of marine organisms recognized by their pentamerous radial symmetry, calcareous endoskeleton, and a water vascular system which helps operate their small podia
- Echinoderms ~ MarineBio Conservation Society
Echinoderms are a diverse group of marine animals belonging to the phylum Echinodermata They are characterized by a unique radial symmetry and a spiny or prickly outer skin The name “echinoderm” translates to “spiny skin,” which describes their appearance
- Echinoderms Examples: Types Of Echinoderms From Around The World
What Is An Echinoderm? An echinoderm is an animal belonging to the phylum Echinodermata Echinoderms are characterised by their distinctive, five-point radial symmetry, unique water vascular system, tube feet, and the ability to regenerate lost body parts
- Echinoderms - Definition, Characteristics, Types and Examples
Echinoderms are a diverse group of invertebrate marine animals that include starfish, sea urchins, sand dollars, sea cucumbers, and crinoids The phylum contains about 7,000 living species, making it the second-largest grouping of deuterostomes, after the chordates
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