BIO 251
University Of Nevada-Las Vegas
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BIO_251_QUIZ_3_2020
- Exam (elaborations) • 11 pages • 2022
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When microbes live independently but cooperate and share nutrients, it 
is called ______. 
Select one: 
a. symbiosis b. antibiosis c. mutualism d. synergism 
The correct answer is: synergism 
E. coli bacteria normally live in the human gut and produce vitamin K 
that the body uses. This is best termed a ______ relationship. 
Select one: 
a. parasiticb. saprobicc. antagonistic d. mutualistic 
Question 2 Correct 
4.50 points out of 4.50 
The correct answer is: mutualistic 
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