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100 lessons,
4h 52m
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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thanks for making the study, the way it must be studied , helpful and waiting for the rest of chemistry course. thanks once again.
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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.