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Biodiversity and cycling materials Typeit
Target Level
4-5
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0
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Attempt
1 of 3
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The abiotic components of an ecosystem are very important in its functioning. Many nutrients are recycled by microorganisms classed as , which break down waste matter in the carbon cycle. is also essential for life and is cycled through into clouds, precipitation (of rain, snow, hail, etc.) and from oceans, lakes, rivers to form vapour. Plants also need nitrogen in order to build proteins and DNA, and take this up as from the soil, which are provided by manure or artificial . Nitrogen- bacteria in some plant roots can also provide plants with usable nitrogen that they could not get directly from the nitrogen in the air.