ISSN: 2041-6792

Clinical Investigation

Marine Biology-Online-Journals

 Marine biology may be a younger science than terrestrial biology as early scientists were limited in their study of aquatic organisms by lack of technology to watch and sample them. The Greek philosopher Aristotle was one among the firsts to style a classification scheme for living organisms, which he called “the ladder of life” and during which he described 500 species, several of which were marine. He also studied fish gills and cuttlefish. The Roman naturalist Pliny the Elder published a 37-volume work called explanation , which contained several marine species. Little work on explanation was conducted during the center ages, and it wasn’t until the late 18th century and early 19th century that interest within the marine environment was renewed, fueled by explorations now made possible by better ships and improved navigation techniques. In 1831, Darwin set sail for a 5 year circumnavigation on the HMS Beagle, and his observations of organisms during this voyage later led to his elaboration of the idea of evolution by survival. Darwin also developed a hypothesis on the formation of atolls, which clothed to be correct. within the early 19th century, English naturalist Edward Forbes suggested that no life could survive within the cold, dark ocean depths beyond 500m deep. There was little basis for this statement, and he was proven wrong when telegraph cables were retrieved from depths exceeding 1.7 km deep, with unknown life-forms growing on them. In 1877 the American Alexander Agassiz collected and catalogued marine animals as deep as 4,240 m. He studied their coloration patterns and hypothesized about the absorption of various wavelengths at depth. He also noted similarities between trouble organisms on the east and West Coast of Central America and suggested that the Pacific and Caribbean were once connected.

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