Use the Following Information to Answer the Questions Below

question 92

Multiple Choice

Use the following information to answer the questions below.
You have collected samples from mud at the bottom of a nearby pond and have isolated different bacteria and protists from that community. You put the cultures in appropriate media in test tubes with loose-fitting lids and leave for the night, confident that your cultures will be growing well when you return.
-When you come back the next morning, you notice that the culture in test tube A hasn't grown at all, while all the other ones have. You conclude that the culture must be composed of

• A)obligate aerobes.
• B)obligate anaerobes.
• C)facultative anaerobes.
• D)sulphate-reducing bacteria.
• E)fermenting organisms.

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