Write a 2 pages paper on general biology. General Biology 101: Summary and Review of Two Articles Source of Half Earths Oxygen Gets Little Credit Phytoplankton are one-celled plants that live in the ocean surface and support the productivity and life of those living in and off the ocean through the process of photosynthesis. In the process of photosynthesis, phytoplankton use energy from the sun to convert carbon dioxide and nutrients into complex organic compounds (Roach, n.p.). Thus, phytoplankton need two important things to undergo photosynthesis: energy from the sun and nutrients from the water. Half of the world’s oxygen is produced during the photosynthesis of phytoplankton as they release oxygen into the water and even if they die, a small fraction of organic carbon buried for millions of years eventually underwent photosynthesis and release oxygen (Roach, n.p.). Forests and oceans take carbon dioxide and release oxygen at a constant level. Human activities increase the amount of carbon dioxide in the atmosphere and causes drastic imbalance.
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