Understanding echinodermata circulatory system function requires examining multiple perspectives and considerations. Echinoderm - Wikipedia. An echinoderm (/ ɪˈkaɪnəˌdɜːrm, ˈɛkə -/) [2] is any animal of the phylum Echinodermata (/ ɪˌkaɪnoʊˈdɜːrmətə /), which includes starfish, brittle stars, sea urchins, sand dollars and sea cucumbers, as well as the sessile sea lilies or "stone lilies". Echinoderm | Definition, Characteristics, Species, & Facts .... Similarly, echinoderm, any of a variety of invertebrate marine animals belonging to the phylum Echinodermata, characterized by a hard, spiny covering or skin. In this context, living species include sea lilies, sea urchins, sea cucumbers, starfishes, basket stars, and sea daisies. Another key aspect involves, 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. Phylum Echinodermata- Characteristics, classification, examples. They are exclusively marine and are among the most common and widely distributed marine animals.
They occur in all seas from the intertidal zones to great depths. They have an organ grade system of body organization. Symmetry usually radial, nearly always pentamerous. Phylum Echinodermata | manoa.hawaii.edu/ExploringOurFluidEarth.
Echinoderms are named for the spines or bumps covering the outer surface of the bodies of many of them (Greek root word echino - meaning spiny; Latin root word - derm meaning skin). Additionally, examples of echinoderms include sea stars, sea urchins, sea cucumbers, brittle stars, and feather stars (Fig. Phylum Echinodermata – Definition, Classification ....
Phylum Echinodermata encompasses marine organisms characterized by a calcareous endoskeleton, pentamerous radial symmetry in adulthood, and a specialized water vascular system, with notable members including starfish, sea urchins, and sea cucumbers. Another key aspect involves, 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.
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