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3 Cards in this Set
- Front
- Back
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Which of the following is NOT an example of symbiosis?
A) microbes passing across the placenta to the fetus B) protozoa in termites C) bacteria in the human colon D) tuberculosis in the human lung E) tapeworm in the human intestine |
microbes passing across the placenta to the fetus |
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Mutualism is a relationship A) that sometimes provides benefits for both members such that one or both parties cannot live without the other B) where only one member derives benefit from the other C) where one member of the relationship may kill the other D) where it is difficult to prove the benefits or disadvantages one member of the relationship may provide for the other E) where one member of the relationship benefits without hurting the other |
that sometimes provides benefits for both members such that one or both parties cannot live without the other |
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A protozoan and its resident bacteria invade the body of a worm. The bacteria release toxins and exoenzymes that immobilize and digest the worm, and the protozoan and bacteria absorb the nutrients produced. The relationship between the protozoan and the bacteria would best be described as A) mutualism B) parasitism C) commensalism D) both commensalism and parasitism E) a nonsymbiotic relationship |
mutualism |
