Predict the most likely type of symbiotic relationship between ucyn-a and the other organisms in the microbial mat

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?

How many types of rock can form from the rock cycle

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes