Sunlight and the Deep Ocean

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Science  06 Mar 1998:
Vol. 279, Issue 5356, pp. 1431
DOI: 10.1126/science.279.5356.1431c

Those deep-ocean vent tubeworms (Random Samples, 30 Jan., p. 663) are indeed most remarkable, but to say that “they don't need sunlight” is a little like saying tapeworms don't need sunlight. The tubeworms do need oxygen, which is there courtesy of sunlight and chlorophyll at the ocean's surface and elsewhere on the surface of the Earth.

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