Water Circulation in a Tunicate (IMAGE)

National Institute of Standards and Technology (NIST)

Water Circulation in a Tunicate

Caption

Diagram depicting the water circulation within an adult tunicate, C. Robusta. Red dots signify larger size particles while green dots are smaller ones, which can include nanoplastics and are shown to sometimes be expelled from the tunicate or gathered in the gonads (reproductive gland).

Credit

A. Valsesia et al. via Creative Commons (https://creativecommons.org/licenses/by/4.0), adapted by N. Hanacek/NIST

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