Select the Pair of Microbes Belonging to the Same Guild

Question

Select the pair of microbes belonging to the same guild:
A)Methanobrevibacter smithii,E.coli
B)E)coli,Caulobacter
C)Pseudomonas,Desulfovibrio
D)Azotobacter,Pseudomonas
E)None is a correct choice

Accepted Answer

A guild in microbial ecology refers to a group of species that exploit the same resources in a similar way. None of the pairs listed share a similar resource exploitation strategy to classify them into the same guild. Methanobrevibacter smithii is a methanogen, E.coli is a facultative anaerobe, Caulobacter is known for its unique cell cycle and stalked cells, Pseudomonas species are versatile in their metabolic capabilities, Desulfovibrio are sulfate-reducers, and Azotobacter are free-living nitrogen fixers.