动植物死亡后，被微生物分解；黏菌随后会吞食掉许多细菌，释放出他们的营养物质供其他有机体生长。
When plants and animals die, microbes break them down; slime molds then devour many of the bacteria, releasing their nutrients for other organisms to grow on.
低含氧量导致细菌滋长，这些细菌会破坏硝酸盐——海洋微生物及浮游植物的重要营养物质之一。
Low oxygen levels encourage the growth of bacteria that destroy nitrate - a vital nutrient for the ocean's microscopic plants, or phytoplankton.
各种微量元素在微生物生长过程需要的量非常之少，但作为其生长中一种必不可少的营养物质，占据了与碳、氯、磷、氧等同样的地位。
All kinds of mining elements are needed not more in the growing of microorganisms, but as the necessary nutrients, they are as important as the majority elements.
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