Which of the following is an accurate paraphrasing of the underlined phrase?

An accurate paraphrasing of the underlined phrase would be: "Bacteria and alfalfa plants have a symbiotic relationship." The passage explains that there is a "community of interest" between bacteria and plant life, particularly when it comes to alfalfa. It describes the presence of microscopic bacteria in the soil and their interaction with the roots of alfalfa plants, forming small nodules where the bacteria reside. This symbiotic relationship is characterized by the bacteria performing their work to benefit the alfalfa plant.