BIO NMDCAT Darwinism

nmdcat.online July 14, 2026

In a population of rabbits, those with lighter fur are easily spotted by hawks in a dark forest, while those with darker fur survive. Over time, the population becomes predominantly dark-furred. What type of selection is this?

A. Stabilizing selection

B. Disruptive selection

C. Directional selection

✓

D. Sexual selection

📝 Explanation

The selective pressure (predation) favors one extreme of the phenotypic spectrum (dark fur), causing a directional shift in the population's average fur color over time.

📖 Additional Information

Stabilizing selection
Disruptive selection
Directional selection
Sexual selection

The selective pressure (predation) favors one extreme of the phenotypic spectrum (dark fur), causing a directional shift in the population's average fur color over time.

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