Answer :
Final answer:
The nitrogen cycle involves four main steps - fixation, nitrification, assimilation, and denitrification - and is driven by prokaryotes.
Explanation:
The nitrogen cycle is a crucial process that describes how nitrogen is recycled in nature. The cycle consists of four main steps: nitrogen fixation, nitrification, assimilation, and denitrification. Prokaryotes play a vital role in each step of the cycle, transforming nitrogen into different forms that are essential for various organisms and ecosystems.
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