Select the option that gives the correct description of the process of Natural Selection with respect to the evolutionary increase in the length of the neck of giraffes over generations.

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Biology · Evolution

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Directional selection, as giraffes with longer neck lengths are selected over time, shifting the phenotype.

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Answer 1

Stabilising selection, as giraffes with average neck lengths are preferentially selected.

Answer 2

Disruptive selection, as giraffes with extreme short and extreme long neck lengths are both selected.

Answer 3

Directional selection, as giraffes with longer neck lengths are selected over time, shifting the phenotype.

Answer 4

Artificial selection, as humans selectively bred giraffes with longer necks.

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