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What are sand dollars?
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In this bytes video get to know what are sand dollars, why they are called so and where they are found.

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Unacademy user
finally inflation..:-P u taught inflation in very lucid manner.....pura smj me aa gya....thnq mohit sir....
Mohit Goel
a year ago
welcome :) kindly share it with ur mates who r preparing for bank exms :)
Mohit Goel
a year ago
Next Lecture will be on Deflation. will be published by Tomorrow evening
Sweetie Porwal
a year ago
sure sir I ll...
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hi team, please post a video on "Dugongs"! (keytone species of Gulf of Mannar Marine National Park)
plz ma,m make video on darknet & darkweb
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  1. What are Sand Dollars?


  2. The term extremely flattened, burrowing sea urchins belonging to the order Clypeasteroida.


  3. Sand dollars, like all members of the order Clypeasteroida, possessa rigid skeleton known as a test. The test consists of calcium carbonate plates arranged in a fivefold rapid pattern -0.0c o oo oO 0.00


  4. Sand Dollar Cake Urchin Sea Urchirn


  5. On the ocean bottom, sand dollars are frequently found together. This is due in part to their preference for soft bottom areas, which are convenient for their reproduction.


  6. In 2008, biologists learned that sand dollar larvae clone themselves as a mechanism of self-defense.