The Volcano Is Currently Dormant, but in a Hypothetical Future

question 39

Multiple Choice

The volcano is currently dormant, but in a hypothetical future scenario, satellite cones at the base of Mt. Kilimanjaro spew sulfurous gases and lava, destroying all life located between the base and 6,000 feet above sea level. As a result of this catastrophe, how should the frequency of the sickle-cell allele change in the remnant human population that survives above 6,000 feet, and which phenomenon accounts for this change in allele frequency?

• A) decreases; disruptive selection
• B) increases; genetic drift
• C) decreases; gene flow
• D) increases; nonrandom mating
• E) decreases; bottleneck effect

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Definitions:

Ceremonial Practices

Rituals and activities performed during significant events and transitions, which hold symbolic meaning and importance in a culture.

Spiritual Sphere

Refers to a domain of human experience and understanding that involves religious, metaphysical, or transcendent aspects.

Spirituality

Concern with the sacred, as distinguished from material matters. In contrast to religion, spirituality is often individual rather than collective and does not require a distinctive format or traditional organization.

Religion

An organized system of ideas about the spiritual sphere or the supernatural, along with associated ceremonial practices by which people try to interpret and/or influence aspects of the universe otherwise beyond their control.