Evolution and Natural Selection Can Be Witnessed in the Human

question 70

Multiple Choice

Evolution and natural selection can be witnessed in the human population by examining

• A) skin-tone variation and sunlight exposure.
• B) the sickle-cell trait and malaria.
• C) lactase persistence and cattle farming.
• D) the CF allele and cholera resistance.
• E) All of the answers are correct.

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Definitions:

Shear Zones

Regions of the Earth's crust where deformation has occurred due to differential motion, often associated with the movement of tectonic plates.

Foliation

A geological feature that represents repetitive layering in metamorphic rocks caused by the reorientation of minerals under high pressure and temperature.

Lineation

Lineation in geology refers to any linear feature on the surface of a rock or within a rock mass, often created by the flow of the material or the alignment of minerals during deformation.

Sedimentary Rock

Rock formed from the accumulation or deposition of mineral or organic particles, often in layers, hardened over time by pressure and cementation.