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Found 2 translations.
| Name | Current message text |
|---|---|
| h English (en) | </noinclude> <gallery perrow=3 widths=200px> Image:Keyhole sand dollar 01.jpg|<center>''Mellita quinquiesperforata''<br>(Keyhole sand dollar)</center> Image:Reef0260.jpg|<center>''Clypeaster reticulatus''</center> Image:Echinocyamus pusillus.jpg|<center>''Echinocyamus pusillus''<br>(Pea Urchin)</center> </gallery> Sand dollars are in the Echinoid (Echinoderms) class of marine animals. When they are living, they are covered with a suit of moveable spines that encompass the entire shell. Like its close relative the sea urchin, the sand dollar has a set of five pores arranged in a petal pattern. The pores are used to move sea water into its internal water-vascular system, which allows the creature to move.Sand dollars live beyond mean low water on top of or just beneath the surface of sandy or muddy areas. The spines on the somewhat flattened underside of the animal allow it to burrow or to slowly creep through the sand. Fine, hair-like cilia cover the tiny spines. Tubefeet or podia that line the food grooves, move food to the mouth opening which is in the center of the star shaped grooves on the underside of the animal called the oral surface. Its food consists of crustacean larvae, small copepods, detritus, diatoms, algae and organic particles that end up in the sandy bottom.On the ocean bottom, sand dollars are frequently found together. |
| h Spanish (es) | </noinclude> |
