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        Part of Shape of Life
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        Cristina Diaz, Taxonomist: Sponge Biology

        Cristina Diaz describes her work as a taxonomist. She dives in Indonesia to study her favorite animal—the sponge. Conducting an experiment to see how fast a sponge filters, she injects a colored dye into the water. The results amaze her. She takes a sample to the lab to observe the cells under a microscope.

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