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Branches of Microbiology › ViewA tapeworm lives in the intestines of its host. Which example best describes the relationship between the tapeworm and its host?
A. The tapeworm benefits from its host; however, the host is not affected.
B. The tapeworm does not benefit from its host, but the host does benefit.
C. The tapeworm benefits from its host, and the host is negatively affected.
Circulation and Excretion › View
What happens when carbon dioxide levels increase in the blood?
A. pH increases forcing the organisms to decrease respiration rate
B. pH decreases forcing the organism to increase respiration rate
C. the stretch receptors in the lungs cause the medulla oblongata to slow breathing