A millibar is a unit of pressure which is most commonly seen in the context of meteorology, where atmospheric pressure is sometimes given in millibars. As the name would suggest, a millibar is equal to one thousandth of a bar.
User: The microscopic organisms at the base of the marine food chain are known as A. plant life. B. terrestrial animals. C. primitive life. D. phytoplankton. Weegy: The microscopic organisms at the base of the marine food chain are known as Phytoplankton. User: In addition to being necessary for respiration, _______ also provides UV radiation protection. A. water B. hydrogen C. oxygen D. carbon dioxide.
Weâll begin by reviewing how marine organisms are classified by location â either as plankton, nekton, or benthos. Nekton are organisms that spend most of their time in the water column and can swim freely and faster than currents. Examples include whales, most fish, and squid. Plankton are organisms that live in the water