7 Nov 2021
Problem 3
Page 322
Section: REVIEW QUESTIONS
Chapter 13: DIVERSITY OF MICROBES, FUNGI, AND PROTISTS
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7 Nov 2021
Background and context
The organisms that first oxygenated the atmosphere were a certain kind of bacteria. When life on earth started, only those organisms could survive, without requiring oxygen for their metabolic processes. The organisms that require oxygen for survival evolved after millions of years.
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