翻訳と辞書 Words near each other ・ Primary motor cortex ・ Primary Music ・ Primary National Strategy ・ Primary NFL television stations ・ Primary nursing ・ Primary nutritional groups ・ Primary olfactory cortex ・ Primary ovarian insufficiency ・ Primary palate ・ Primary peritoneal carcinoma ・ Primary Phase ・ Primary physical custody ・ Primary polydipsia ・ Primary poverty ・ Primary producers ・ Primary production ・ Primary progressive aphasia ・ Primary pseudoperfect number ・ Primary pulmonary coccidioidomycosis ・ Primary pulmonary histoplasmosis ・ Primary Rate Interface ・ Primary research ・ Primary Reserve ・ Primary residence ・ Primary school ・ Primary School Evaluation Test (Malaysia) ・ Primary School Leaving Examination ・ Primary school sadpur ・ Primary schools in Angus ・ Primary schools in Banbury Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Primary production ： ウィキペディア英語版 Primary production Primary production is the synthesis of organic compounds from atmospheric or aqueous carbon dioxide. It principally occurs through the process of photosynthesis, which uses light as its source of energy, but it also occurs through chemosynthesis, which uses the oxidation or reduction of chemical compounds as its source of energy. Almost all life on earth is directly or indirectly reliant on primary production. The organisms responsible for primary production are known as ''primary producers'' or autotrophs, and form the base of the food chain. In terrestrial ecoregions, these are mainly plants, while in aquatic ecoregions algae are primarily responsible. Primary production is distinguished as either ''net'' or ''gross'', the former accounting for losses to processes such as cellular respiration, the latter not. ==Overview== Primary production is the production of chemical energy in organic compounds by living organisms. The main source of this energy is sunlight but a minute fraction of primary production is driven by lithotrophic organisms using the chemical energy of inorganic molecules. Regardless of its source, this energy is used to synthesize complex organic molecules from simpler inorganic compounds such as carbon dioxide (CO2) and water (H2O). The following two equations are simplified representations of photosynthesis (top) and (one form of) chemosynthesis (bottom): ::: CO2 + H2O + ''light'' $\backslash rightarrow$ CH2O + O2 ::: CO2 + O2 + 4 H2S $\backslash rightarrow$ CH2O + 4 S + 3 H2O In both cases, the end point is a polymer of reduced carbohydrate, (CH2O)n, typically molecules such as glucose or other sugars. These relatively simple molecules may be then used to further synthesise more complicated molecules, including proteins, complex carbohydrates, lipids, and nucleic acids, or be respired to perform work. Consumption of primary producers by heterotrophic organisms, such as animals, then transfers these organic molecules (and the energy stored within them) up the food web, fueling all of the Earth's living systems. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Primary production」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.