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In their sandy seafloor habitat, sand dollars use their fuzzy spines, aided by tiny hairs (cilia), to ferry food particles along their bodies to a central mouth on their bottom side. They capture plankton with spines and pincers (pedicellariae) on their body surfaces.
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www.montereybayaquarium.org/animals/AnimalDetails.aspx?...
www.montereybayaquarium.org/animals/AnimalDetails.aspx?id=779056
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Sea urchins and sand dollars live all over the world ... Geographic range: Pea urchins live in the coastal waters of northern Europe. Habitat: Pea urchins live buried in gravel and sand.â...
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animals.jrank.org/pages/1625/Sea-Urchins-Sand-Dollars-E...
animals.jrank.org/pages/1625/Sea-Urchins-Sand-Dollars-Echinoidea.html
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Sand dollars are from the class of marine animals known as Echinoids, spiny skinned creatures. Their relations include the sea lily, the sea cucumber, the star fish and the sea urchin. ... Sand dollars live beyond mean low water on top of or just beneath the surface of sandy or muddy areas. The spines on the...
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octopus.gma.org/Tidings/sanddollar.html
octopus.gma.org/Tidings/sanddollar.html
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Fact sheet with photos on flora and fauna of Chek Jawa, Pulau Ubin ... Status and threats: In Singapore, the main threat is habitat loss due to reclamation or human activities along the coast that pollute the water. Chek Jawa is one of the few places left where sand dollars are still commonly seen.
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www.wildsingapore.com/chekjawa/text/s620.htm
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Sand dollars are of the Phylum Echinodermata, class Echinoidea. They, like the sea urchin, have no arms or legs but move around by tiny spines on their body. Sand dollars are usually found lying in a bed buried under a layer of sand.
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www.seashells.org/identcatagories/sanddollarstypes.htm
www.seashells.org/identcatagories/sanddollarstypes.htm
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With its more than 12 miles of beaches, Hilton Head Island is a multi millionaire when counting in sand dollars. The Flat Round sand dollar is the most commonly found on Hilton Head. The sand dollars’ natural habitat is just beyond the mean low tide either on top or just below the sand’s surface.
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www.hhidirect.com/sanddollars.html
www.hhidirect.com/sanddollars.html
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12. Discuss the echinoderms relationship to their environment and the other organisms that they share their habitat with. 13. Describe how a sea star feeds upon a sessile mollusk. 14. Describe the common characteristic that the lophophorates posess. ... CLASS ECHINOIDEA ~800 species, sea urchins, sand dollars...
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www.wncc.net/courses/dnash/zoology/echinoderm.htm
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Take a small bowl, such as a butter bowl lined with a paper towel, to lay the smaller sand dollars in. They break easily until they are preserved. ... Collect only dead sand dollars. They will be about 1 to 4 inches in diameter and look like a large, white coin. Live sand dollars are brown and fuzzy - sort of like...
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www.ehow.com/how_17517_find-sand-dollars.html
www.ehow.com/how_17517_find-sand-dollars.html
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Physical characteristics: Western sand dollars have a rigid shell about 3.5 inches (9 centimeters) across and covered with moveable spines. These sand dollars are pale grayish lavender to dark purplish black. ... Habitat: Western sand dollars live on sandy bottoms in sheltered bays, lagoons, and open coastal areas.
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animals.jrank.org/pages/1622/Sea-Urchins-Sand-Dollars-E...
animals.jrank.org/pages/1622/Sea-Urchins-Sand-Dollars-Echinoidea-WESTERN-SAND-DOLLAR-Dendraster-excentricus-SPECIES-ACCOUNTS.html
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