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プランクトン

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Cyanobacteria are found almost everywhere. Sea spray containing marine microorganisms, including cyanobacteria, can be swept high into the atmosphere where they become aeroplankton, and can travel the globe before falling back to earth.[20]

シアノバクテリア地球の酸素を作り出した光合成細菌の生態と進化

シアノバクテリア光合成窒素固定プランクトン
2026年8月13日続きを読む →
False-color scanning electron micrograph of the unicellular coccolithophore Gephyrocapsa oceanica

藻類地球の酸素を創り出す多様な光合成生物の全貌

藻類光合成プランクトン海藻
2026年8月13日続きを読む →
Representation of a diatom Central noduleStriae; pores, punctae, spots or dots in a line on the surface that allow nutrients in, and waste out, of the cellAreola; hexagonal or polygonal boxlike perforation with a sieve present on the surface of diatomRaphe; slit in the valvesPolar nodule; thickening of wall at the distal ends of the raphe [31][32]Frustule; hard and porous cell wallPyrenoid; center of carbon fixationPlastid membranes (4, secondary red)Inner membranesThylakoid; site of the light-dependent reactions of photosynthesisOil body; storage for triacylglycerols [33]Mitochondrion; creates ATP (energy) for the cellVacuoles; vesicle of a cell that contains fluid bound by a membraneCytoplasmic strand; holds the nucleusProtoplasmic bridgeEpivalveNucleus; holds the genetic materialEndoplasmic reticulum, the transport network for molecules going to specific parts of the cellGolgi apparatus; modifies proteins and sends them out of the cellEpicingulumHypocingulumHypovalveMicrotubule centre

珪藻（けいそう）の生態と構造地球環境を支えるガラスの単細胞生物

珪藻プランクトン被殻二酸化炭素固定
2026年8月10日続きを読む →
Marine microplankton and mesoplankton Part of the contents of one dip of a hand net. The image contains diverse planktonic organisms, ranging from photosynthetic cyanobacteria and diatoms to many different types of zooplankton, including both holoplankton (permanent residents of the plankton like copepods) and meroplankton (temporary residents of the plankton like fish eggs and crab larvae). 100 μm is one tenth of a mm

プランクトンの生態系地球の生命を支える微小生物の多様性と役割

プランクトン植物プランクトン動物プランクトン海洋生態系
2026年8月10日続きを読む →