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Echinoderms

Echinoderms, a diverse group of marine organisms, belong to the Kingdom Animalia and Phylum Echinodermata, with key representatives from the Class Asteroidea, commonly known as starfish. These fascinating creatures exhibit radial symmetry and possess a unique water vascular system. Echinoderms inhabit various oceanic zones, from the intertidal to the abyssal, with over 7,000 species globally. Their classification explores family, genus, and species, and while commonly referred to as “starfish,” it's important to differentiate them from similar organisms like brittle stars.

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Echinoderms

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  1. Echinoderms By: khadro Isse., Azia Washington., and Drew Flynn.

  2. Diagram • This is the description of how they are related to each other.

  3. Classification • Kingdom Animally • Phylum Echinoderm • Class Asteroidean • Order forcipulatida • Family Astride • Genus Asturias • species Amanuensis

  4. Abundance and geographic distribution • These organisms are found at every ocean depth, from the intertidal zone to the abyssal zone. (they have no freshwater or terrestrial representations) • The type of habitats they occupy in different zones. • There are 7,000 species.

  5. Name of different zones • Littoral zone- extends from the high water mark which is rarely inundated, to shoreline areas which includes the intertidal zone. • Intertidal zone- is the area that is exposed to the air at low tide and under water at high tide.

  6. characteristics Radial 5 rayed symmetry sometime bilateral water vascular system An internal skeleton covered with spines and skin

  7. Star fish • Its known as starfish or sea star. Essentialy refer to members of the class asteroidea. However common usage frequently finds “starfish” also applied to ophiuroids which are correctly referred to as “brittle stars” or “basket stars”

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