A sea sponge extracts water
3497 of 3588

A sea sponge extracts water.

May 5, 2010
A sea sponge extracts water. Though often mistaken for plants, sea sponges are in fact dynamic, industrious animals that pump thousands of liters of water through their bodies in a single day.

This image was taken as part of a project supported by National Science Foundation grant ESI 98-14957. (Year of image: 2002)

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