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词汇 Vent community
分类 英语词汇 英语翻译词典
释义

Vent community

原声例句
2023-41

Around these vents, communities of organisms have evolved that rely on chemosynthesis--a process where bacteria derive energy from chemical reactions instead of sunlight.

在这些喷口周围,生物群落的进化依赖于化学合成——细菌从化学反应而不是阳光中获取能量的过程。

英语百科

Hydrothermal vent

In this phase diagram, the green dotted line illustrates the anomalous behavior of water. The dotted green line marks the melting point and the blue line the boiling point, showing how they vary with pressure; the solid green line shows the typical melting point behavior for other substances.
Some vents are surrounded by a dense fauna.
Deep-sea vent biogeochemical cycle diagram

A hydrothermal vent is a fissure in a planet's surface from which geothermally heated water issues. Hydrothermal vents are commonly found near volcanically active places, areas where tectonic plates are moving apart, ocean basins, and hotspots. Hydrothermal vents exist because the earth is both geologically active and has large amounts of water on its surface and within its crust. Common land types include hot springs, fumaroles and geysers. Under the sea, hydrothermal vents may form features called black smokers. Relative to the majority of the deep sea, the areas around submarine hydrothermal vents are biologically more productive, often hosting complex communities fueled by the chemicals dissolved in the vent fluids. Chemosynthetic bacteria and archaea form the base of the food chain, supporting diverse organisms, including giant tube worms, clams, limpets and shrimp. Active hydrothermal vents are believed to exist on Jupiter's moon Europa, and Saturn's moon Enceladus, and it is speculated that ancient hydrothermal vents once existed on Mars.

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