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William K. Sackey (@clickseezy_photography) Instagram Profile Photoclickseezy_photography

William K. Sackey

 image by William K. Sackey (@clickseezy_photography) with caption : "SEA URCHIN

Sea urchins or urchins are typically spiny, globular animals, echinoderms in the class Echinoidea. Sea urchi" - 2047979721011926864
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SEA URCHIN Sea urchins or urchins are typically spiny, globular animals, echinoderms in the class Echinoidea. Sea urchins move slowly, crawling with their tube feet, and sometimes pushing themselves with their spines. They feed primarily on algae but also eat slow-moving or sessile animals. Their predators include sea otters, starfish, wolf eels, and triggerfish.They have a rigid, usually spherical body bearing moveable spines, which gives the class the name Echinoidea (from the Greek ekhinos, spine).The name "urchin" is an old word for hedgehog, which sea urchins resemble; they have archaically been called sea hedgehogs. urchin