The Horn Sizes in Males of a Particular Beetle Have

question 162

Multiple Choice

The horn sizes in males of a particular beetle have an interesting distribution: the highest frequencies are around 15 millimeters and 30 millimeters, with few individuals in between.Based on this observation, which mode of selection is most likely to be operating on these horns?

• A) Stabilizing selection
• B) Directional selection
• C) Concentrated selection
• D) Disruptive selection
• E) Purifying selection

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Definitions:

Amperage

The strength of an electric current measured in amperes.

Electrical Pressure

Another term for voltage, indicating the potential difference or force that causes current to flow in a circuit.

Volts

The unit of measurement for electric potential or electromotive force, indicative of how much force pushing electric current through a circuit.

Check Valve

A valve that allows fluid to flow through it in only one direction, preventing backflow.