Webjellyfish, any planktonic marine member of the class Scyphozoa (phylum Cnidaria), a group of invertebrate animals composed of about 200 described species, or of the class Cubozoa (approximately 20 species). The term is … Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea . Common usage frequently finds these names being also applied to ophiuroids, which are correctly referred to as brittle stars or basket stars. Starfish are also known as asteroids due to being in the class Asteroidea. About 1,900 … Meer weergeven Most starfish have five arms that radiate from a central disc, but the number varies with the group. Some species have six or seven arms and others have 10–15 arms. The Antarctic Labidiaster annulatus can have over fifty. Meer weergeven Distribution and habitat Echinoderms, including starfish, maintain a delicate internal electrolyte balance that is in equilibrium with sea water, making it impossible … Meer weergeven Fossil record Echinoderms first appeared in the fossil record in the Cambrian. The first known asterozoans were the Somasteroidea, which … Meer weergeven • Lawrence, J. M., ed. (2013). Starfish: Biology and Ecology of the Asteroidea. Johns Hopkins University Press. ISBN 978-1-4214-0787-6. • Ruppert, Edward E.; Fox, Richard, S.; Barnes, Robert D. (2004). Invertebrate Zoology, 7th edition. Cengage Learning. Meer weergeven Sexual reproduction Most species of starfish are gonochorous, there being separate male and female individuals. These are usually not distinguishable … Meer weergeven In research Starfish are deuterostomes Another area of research is the ability of starfish to … Meer weergeven • Mah, Christopher L. (24 January 2012). "The Echinoblog"., a blog about sea stars by a passionate and professional specialist. Meer weergeven

Stapelia hirsuta (African Starfish Flower, Carrion …

WebStarfish Scientific Name Asteroidea (Class) Starfish are echinoderms that belong to the class Asteroidea. They are also one of the oldest groups of animals, with fossils dating … WebStarfish, as the name suggests, are sea species that resemble a star-like appearance. They belong to the Asteroidea family. Starfish are kept as pets although in some parts of … harris melissa

Starfish - Wikipedia

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