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The pelagic food web, showing the central involvement of marine microorganisms in how the ocean imports nutrients from and then exports them back to the atmosphere and ocean floor. A marine food web is a food web of marine life. At the base of the ocean food web are single-celled algae and other plant-like organisms known as phytoplankton.
Diatom productivity in the upper ocean contribute to the amount of silicon exported to the lower ocean. [20] When diatom cells are lysed in the upper ocean, their nutrients like, iron, zinc, and silicon, are brought to the lower ocean through a process called marine snow.
Since the United States Congress was established with the 1st Congress in 1789, fourteen of its members have been killed while in office, and fourteen have suffered serious injuries from attacks. The members of Congress were either injured or killed by someone intending serious harm, or there is evidence of lethal intent by an unknown assailant ...
Freshman members on the Capitol steps. The 115th United States Congress began on January 3, 2017. There were seven new senators (five Democrats, two Republicans) and 52 new representatives (25 Democrats, 27 Republicans), as well as one new delegate (a Republican), at the start of its first session. Additionally, five senators (two Democrats ...
Office Officer State Since Senate Majority Leader Chair of the Senate Democratic Caucus: Chuck Schumer: NY: January 20, 2021 Party leader since January 3, 2017: Senate Majority Whip
List of current members of the United States House of Representatives Topics referred to by the same term This disambiguation page lists articles associated with the title Current members of the United States Congress .
Jan 14, 2019 · As drivers of biogeochemical cycles in the global ocean, and particularly of the biological carbon pump [5, 14, 15], marine protists are a key part of ocean biogeochemical models [7, 16,17,18].
