Use the Following Information to Answer the Questions Below

question 8

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.
-Test tube B has a strong smell of rotten eggs. This culture must contain

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

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Definitions:

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The process whereby muscle fibers shorten or lengthen to produce movement or maintain posture as a response to stimulation by nerve impulses.

Dependent Variable

The variable that is being measured in an experiment or study to see if it is affected by changes in another variable.

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An ideal or most desirable pancake, characterized by optimal flavor according to an individual's preferences.

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The scientific study of mental functions and behaviors aimed at understanding individuals and groups.