Most natural nitrogen fixation takes place ________, and is then taken up in plants and incorporated in plant tissue.

Question

Quizplus · Accepted Answer

Most natural nitrogen fixation takes place in the soil, by bacteria. Nitrogen-fixing bacteria convert atmospheric nitrogen into a usable form that can be taken up by plant roots and incorporated into plant tissue. Other forms of nitrogen fixation, such as in water by bacteria or in water and plankton, may also occur in certain ecosystems, but they are not as significant or widespread as soil-based nitrogen fixation.

Most Natural Nitrogen Fixation Takes Place ________, and Is Then