Explain the significance of each of the following presidential roles: chief executive, chief diplomat, and commander in chief. Chief Executive: President is vested by the constitution with the executive power, described as the most powerful office in the world.. Chief Diplomat: Main architect of American foreign policy and the nation's chief spokes person to the rest of the world. Commander in Chief: Director of the military, in charge of the nation's armed forces.
Home What is the scientific name for phytoplankton. The phytoplankton group encompasses a number of micro-organisms, including diatoms and dinoflagellates, which live in the ocean.As there are many species of phytoplankton, there are many scientifi...he phytoplankton group encompasses a number of micro-organisms, including diatoms and dinoflagellates, which live in the ocean. As there are many species of phytoplankton, there are many scientifi...
The word plankton comes from the Greek meaning drifter, so technically, anything which drifts with the currents of the ocean, is planktonic. Usually, plankton are small, like these tiny copepods, but some plankton are large, like this jellyfish. There are two basic kinds of plankton, phytoplankton and zooplankton. Phytoplankton means plant plankton and includes all kinds of drifting plants, like microscopic diatoms and algae. These tiny plants might not seem very important, but they are probably the most important part of the ocean food web.