Multiple Choice
The proteobacterium Rhizobium lives in a close association with legume roots,providing a source of nitrogen for the plant.In return,the plant provides Rhizobium with food produced by photosynthesis.In this relationship,Rhizobium is an example of a(n) :
A) pathogen
B) parasite
C) producer
D) methanogen
E) mutualist
Correct Answer:

Verified
Correct Answer:
Verified
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