Biological nitrogen fixation (nitrogen fixation that is performed by living organisms) is carried out by ______________
A) pine trees
B) mammals
C) fungi
D) various species of specialized bacteria
E) slime molds

Question

Quizplus · Accepted Answer

Biological nitrogen fixation is primarily performed by various species of specialized bacteria, such as Rhizobia and Azotobacter. They convert atmospheric nitrogen into ammonium, which can then be used by plants and other organisms. Pine trees, mammals, fungi, and slime molds do not perform biological nitrogen fixation.

Biological Nitrogen Fixation (Nitrogen Fixation That Is Performed by Living