The sum total of all the microbes in a certain environment is termed the ________.

A. phylogeny
B. microbial niche
C. domain
D. microbiome
E. biofilm


Answer: D

Biology & Microbiology

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The Nef protein helps HIV evade the adaptive immune system by____

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Which of the following is NOT a reason why many species of turtles are now highly endangered?

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