03 Mar 2016

What is a glass sponge?

03 Mar 2016

What is a glass sponge?

Glass sponges are some of the oldest and simplest animals on earth. They don’t have eyes or even a stomach, yet they do some amazing things. Glass sponges build intricate skeletons out of silica (glass) that provide many other animals with a home, and they filter vast quantities of bacteria from seawater.

Photo credit: Sally Leys/Miriam O/ROPOS

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