What organisms are affected by dead zones in the Gulf of Mexico

Dead zones result from these impacts, which include algal blooms and hypoxia. Phosphorous, nitrogen, and other nutrients increase the productivity or fertility of marine ecosystems. Organisms such as phytoplankton, algae, and seaweeds will grow quickly and excessively on the water's surface.

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i would say the prokaryotic cells the prokaryotic cells are less complex, are usually found only in unicellular organisms and have more limited capabilities than eukaryotic cells.

i think the answer is b.