In Belding's Ground Squirrels, It Is Mostly the Females That

question 66

Multiple Choice

In Belding's ground squirrels, it is mostly the females that behave altruistically by sounding alarm calls. What is the likely reason for this distinction?

• A)Males have smaller vocal cords and are less likely to make sounds.
• B)Females invest more in foraging and food stores, so they are more defensive.
• C)Females settle in the area in which they were born, so the calling females are warning kin.
• D)The sex ratio is biased.
• E)Males forage alone; therefore, alarm calls are useless.

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Definitions:

Isolation

The process or condition of separating or being separated from a system or environment, often for safety, such as electrical isolation to prevent shock.

Turns Ratio

The ratio of the number of turns in the primary winding of a transformer as compared to the turns of wire in the secondary winding.

Secondary Voltage

The output voltage of a transformer or another type of electrical machine, which is induced by the primary voltage.

Primary

In electrical systems, the initial or main input side of a transformer or circuit.