Question

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?
A. become extinct
B. learn to fix nitrogen
C. benefit in the long run
D. stay the same

Answer 1

A. become extinct

The bacteria that fix nitrogen after it has being established inside the root nodules of legumes are known as Rhizomes. After infection, Rhizomes produce nodules in the legumes where they fix nitrogen gas from the atmosphere and turning it into more readily useful form of nitrogen.

 

Answer 2

the answer is A) become extinct