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- Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.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.www.britannica.com/animal/echinodermAn 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.biologydictionary.net/echinoderm/An echinoderm (/ ɪˈkaɪnəˌdɜːrm, ˈɛkə -/) is any deuterostomal 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".en.wikipedia.org/wiki/EchinodermThe phylum Echinodermata, which contains about 7,000 species, gets its name from the Greek, literally meaning "spiny skin." Many echinoderms actually do have "spiny" skin, but others do not. This phylum exists exclusively in the sea, and cannot be found on land or in fresh water. All echinoderms have one thing in common: radial symmetry.oceanicresearch.org/education/wonders/echinoder…Echinoderms possess a unique internal skeleton (or endoskeleton) composed of thousands to millions of calcium carbonate components known as ossicles. Similar to a complicated 3-D puzzle, these pieces are infused with tissue and covered by an epidermis, or skin like covering.ocean.si.edu/ocean-life/invertebrates/echinoderms
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- Sea stars are among the most ambulatory, or mobile, of all echinoderms. Sea stars, or starfish, use their many podia to slowly crawl over most surfaces. Starfish are ma…
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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. Podia … See more
Echinoderm reproduction is varied and often complex. Most echinoderms reproduce sexually, while a few species are known to … See more
An adult echinoderm is radially symmetrical, meaning their body parts extend outward from the mouth. An echinoderm usually has 5 parts, making them pentamerous. Curiously, echinoderm larva are bilaterally symmetrical and must convert to radial … See more
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WEBMay 18, 2024 · Echinoderm, any of a variety of invertebrate marine animals belonging to the phylum Echinodermata, characterized by a hard, spiny covering or skin. Living …
An echinoderm is any deuterostomal 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". While bilaterally symmetrical as larvae, as adults echinoderms are recognisable by their usually five-pointed radial symmetry (pentamerous symmetry), and are found o…
Wikipedia · Text under CC-BY-SA licenseWEBMar 11, 2019 · Echinoderms, or members of the phylum Echinodermata, are some of the most easily-recognized marine invertebrates. This phylum includes sea stars (starfish), sand dollars, and urchins, and they are …
WEBEchinoderms possess a unique internal skeleton (or endoskeleton) composed of thousands to millions of calcium carbonate components known as ossicles. Similar to a …
WEBJul 31, 2022 · Echinoderms possess a unique ambulacral or water vascular system, consisting of a central ring canal and radial canals that extend along each arm. Water …
WEBWhat are echinoderms? - Discover Wildlife
Echinoderms ~ MarineBio Conservation Society
WEBEchinoderms are a diverse group of marine animals belonging to the phylum Echinodermata. They are characterized by a unique radial symmetry and a spiny or.
WEBDec 15, 2021 · Echinoderms possess a unique ambulacral or water vascular system, consisting of a central ring canal and radial canals that extend along each arm. Water …
WEBEchinoderms 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, …
About Echinoderms | Assembling the Echinoderm Tree of Life
WEBEchinoderms are an exclusively marine group of animals with a rich evolutionary history extending back more than 540 million years. Whereas five major groups of …
All About Echinoderms - Ocean Conservancy
WEBApr 3, 2024 · Echinoderms have a unique water vascular system that allows for their movement. They can suck sea water up through their bodies and control its flow through …
Phylum Echinodermata | manoa.hawaii.edu/ExploringOurFluidEarth
WEBEchinoderms 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 …
28.5A: Phylum Echinodermata - Biology LibreTexts
WEBOct 31, 2023 · Echinoderms possess a unique ambulacral or water vascular system, consisting of a central ring canal and radial canals that extend along each arm. Water …
12 Examples of Echinoderms (With Pictures) - Wildlife Informer
WEBAll the examples of echinoderms on earth consist of living animals that can function without brains. So, how do they survive and find food? This article will explain what an …
Echinoderms | Natural History Museum
WEBEchinoderms use a water vascular system for moving, feeding and respiration. They have a skeletal system made of limy (calcite) plates. They have special connective tissue that …
ADW: Echinoidea: INFORMATION
WEBLike all echinoderms, echinoids are pentaradially symmetrical, have a water-vascular system, and have an internal skeleton made of calcitic ossicles (plates). A distinguishing …
34.1: Echinoderms - Biology LibreTexts
WEBEchinoderms possess a unique ambulacral or water vascular system, consisting of a central ring canal and radial canals that extend along each arm. Water circulates …
Echinoderms' Role in Ecosystem | Shape of Life
WEBThe echinoderms with the most influence in coral reef communities are generalists, adaptable to a variety of situations, with behavioral, distributional, and dietary …
Echinoderm - Evolution, Adaptations, Paleontology | Britannica
WEBEarly echinoderms were adapted to life on the surface of hard or soft seafloors, though the burrowing habit may have been acquired relatively early by sea cucumbers. Extant …
9.22: Importance of Echinoderms - K12 LibreTexts
WEBJan 11, 2021 · Echinoderms are an important part of the ocean food chain, keeping seaweed in check as grazers and serving as food sources for animals like otters. …
11.12: Echinoderms - Biology LibreTexts
WEBEchinoderms use pheromones to communicate with each other. They detect the chemicals with sensory cells on their body surface. Some echinoderms also have simple eyes …
echinoderm - Kids | Britannica Kids | Homework Help
WEBEchinoderms, or animals with a spiny skin, have many different shapes and colors. They include sea stars (or starfish), sea urchins, and sea cucumbers.
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