The Termite Gut Protist Mixotricha Paradoxa Has at Least Two

question 70

Multiple Choice

The termite gut protist Mixotricha paradoxa has at least two kinds of bacteria attached to its outer surface. One kind is a spirochete that propels its host through the termite gut. A second type of bacteria synthesizes ATP, some of which is used by the spirochetes. The locomotion provided by the spirochetes introduces the ATP-producing bacteria to new food sources. Which of the following terms is (are) applicable to the relationship between the two kinds of bacteria?
1) mutualism
2) parasitism
3) symbiosis
4) metabolic cooperation

• A) 1 only
• B) 1 and 2
• C) 2 and 3
• D) 1, 3, and 4
• E) 2, 3, and 4

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Definitions:

Wood

A hard, fibrous material forming the trunk and branches of trees or shrubs, used for construction, fuel, and as a raw material for many products.

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A fragment or object with a pointed or edged part capable of cutting or puncturing.

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A flammable liquid derived from petroleum, used primarily as fuel in internal combustion engines.

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Portable devices used to heat a specific area or room, providing warmth using electrical or another fuel source.