MEA 200 Lecture Notes - Lecture 15: Carl Linnaeus, Protist, Monera

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Developed basis of modern classification of organisms. Bacteria simple life forms without nuclei. Marine species overwhelmingly benthic (98%) rather than pelagic (2%) The marine environment is more stable than land. Organisms in the ocean are less able to withstand environmental changes. More than 80% of mass of water. The state of extreme dryness, or the process of extreme drying. Different support structures in cold (fewer) rather than warm (more appendages) seawater. Cube a greater resistance to sinking per unit of mass than cube c. Oil in micro-organisms to increase buoyancy (stay afloat) Shape offers least resistance to fluid flow. Broadcast spawning eggs and sperm directly released into seawater. Marine organisms take advantage of water"s high viscosity to enhance reproduction chances. More stable than land for 4 reasons. Solar radiation penetrates deeply into ocean layers. Increases about 1 atmosphere (1 kg/cm2) with every 10 meters (33 feet) deeper. Many marine organisms no inner air pockets.

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