Which of the Following Types of Microbes Is Most Likely

question 31

Multiple Choice

Which of the following types of microbes is most likely to be found in the sediment of Lake Michigan?

• A) Anaerobes; oxygen is least abundant in the sediment layer
• B) Autotrophs; their carbon source is dissolved carbon dioxide
• C) Mesophiles; temperatures in the hypolimnion support growth in the 4-9°C range
• D) Cyanobacteria; seasonal upwelling of nutrients can cause dramatic increases in their numbers

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