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Updated: June 15, 2025
If we examine the sponges in the late fall we may find innumerable of these statoblasts, as they are called. Scattered among them will sometimes be crowds of little wheels, surrounded with double-ended hooks. These have no motion and we shall probably pass them by as minute burrs or seeds of some water plant. But they, too, are winter buds of a strange group of tiny animals.
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