Rhizobia, actinomycetes, and cyanobacteria all share the common feature that they can ________.

Question

Quizplus · Accepted Answer

Rhizobia, actinomycetes, and cyanobacteria all have the ability to fix atmospheric nitrogen, which means they convert nitrogen gas into a form that plants can use. Fixation of nitrogen is an essential step in the nitrogen cycle and is necessary for plant growth, making option D the correct choice. Option A is not necessarily true for all three types of bacteria, while option B is not relevant to their characteristics. While some species of actinomycetes can exist in extreme environments (option C), this is not a trait that all three types necessarily share.

Rhizobia, Actinomycetes, and Cyanobacteria All Share the Common Feature That