surface ocean current
a continuous horizontal flow of water at or near ocean's surface driven by prevailing winds
predominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyll
bacteria that synthesize organic compounds, using energy derived from the oxidation of organic or inorganic materials without the aid of light.
Carbon metabolism in bacteria is either heterotrophic, where organic carbon compounds are used as carbon sources, or autotrophic, meaning that cellular ...
small particles of organic biogenic marine sediment, including the remains of organisms, faecal matter, and the shells of planktonic oganisms, that slowly drift down to the sea floor
Any of a group of microorganisms that resemble bacteria but are different from them in certain aspects of their chemical structure, such as the composition of their cell walls.
reproduction of some unicellular organisms (such as yeasts) by growth and specialization followed by the separation by constriction of a part of the parent
any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks
microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica