Respuesta :
Nitrogen fixation is necessary for ecosystems because nitrogen fixation converts nitrogen gas into carbohydrates.
What is nitrogen fixation?
Nitrogen fixation is the process by which atmospheric nitrogen (N2) is converted into organic compounds by microbes present in the soil.
Nitrogen fixation is one of the way in which nitrogen is moved in the atmosphere and environment.
However, nitrogen fixation is necessary for ecosystems because nitrogen fixation converts nitrogen gas into carbohydrates in leguminous plants.
Learn more about nitrogen fixation at: https://brainly.com/question/4191267