A Sparrow Population Currently Eats Seeds That Are Mostly of Medium

question 146

Multiple Choice

A sparrow population currently eats seeds that are mostly of medium size.Which condition will most likely lead to more diversifying selection?

• A) A decrease in size in the sparrow population
• B) More seeds that are either considerably smaller or considerably larger than average, with fewer that are of intermediate size
• C) More seeds that are intermediate in size
• D) More seeds that are somewhat larger than average and fewer that are smaller than average
• E) A reduction in the overall number of seeds, with no change in the distribution

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Definitions:

Digital Multimeter (DMM)

A multiple mode electrical measurement instrument capable of measuring AC voltage, frequency, DC, ohms, amperage, and other values. The term DMM tends to be used in truck technology; the same instrument is more commonly referred to as a digital volt ohmmeter (DVOM) in the auto area.

Circuit

A closed path through which electrical current flows or can flow.

Cathode

The electrode in a battery or electrochemical cell towards which positive ions move, typically where reduction reactions take place.

Diode

An electronic component that allows current to flow in one direction only, functioning as a one-way valve in electrical circuits.