Rhizobial bacteroids and their plant hosts have evolved to have what type of symbiotic relationship?
A) mutualistic
B) parasitic
C) commensal
D) ammensal
E) predatory

Question

Quizplus · Accepted Answer

Rhizobial bacteroids and their plant hosts have a mutualistic relationship where both organisms benefit. The bacteroids provide nitrogen fixation for the plant, allowing it to grow and survive in nitrogen-poor soil, while the plant provides the bacteroids with a source of energy in the form of carbohydrates. This relationship is essential for the growth of leguminous plants like soybeans and peas.

Rhizobial Bacteroids and Their Plant Hosts Have Evolved to Have