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Bacteriology › View

The ability of Vibro fischeri to produce bioluminescence chemicals only when a certain population density has been reached is an example of

A. Liebig’s law of the minimum

B. Shelford’s law of tolerance

C. qourum sensing

D. Heisenberg’s principle of uncertainty

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The Cardiovascular System: Blood Vessels and Hemodynamics › View

If blood pressure drops,a negative feedback mechanism causes.

A. activation of the venous reservoirs.

B. increase capillary blood flow.

C. increase heart rate, stroke volume, and vasoconstriction.

D. vasodilation of systemic arterioles.

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