Adaptive Radiations Can Be a Direct Consequence of Four of the Following

question 55

Multiple Choice

Adaptive radiations can be a direct consequence of four of the following five factors. Select the exception.

• A) vacant ecological niches
• B) genetic drift
• C) colonization of an isolated region that contains suitable habitat and few competitor species
• D) evolutionary innovation
• E) an adaptive radiation in a group of organisms (such as plants) that another group uses as food

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Definitions:

Serum Peak

The highest concentration of a drug in the bloodstream after it has been administered.

Trough Level

The lowest concentration of a drug in the bloodstream, usually measured just before the next dose is due.

Anaphylactic Reaction

A severe, potentially life-threatening allergic response that requires immediate medical intervention.

Idiosyncratic Reaction

An unusual or unexpected reaction to a drug that is not related to the dose or duration of exposure.