In which cell structure does photosynthesis occur?

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

Physical characteristics of down syndrome

"does stress during a woman's first trimester of a pregnancy affect the infant's birth weight? " is a