In a Certain Species of Salmon, Some Adult Males Are

question 28

Multiple Choice

In a certain species of salmon, some adult males are extremely large whereas other adult males are very small, compared to the females. There are no intermediate- sized adult males in the population. This is probably the result of

• A) stabilizing selection.
• B) artificial selection.
• C) directional selection.
• D) disruptive selection.

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Definitions:

Inflation Rate

The speed at which the overall price level of goods and services increases, leading to a reduction in buying power.

Annual Coupon Bonds

Bonds that pay interest to bondholders once a year until maturity, at which point the principal is repaid.

Yield To Maturity

The total return anticipated on a bond if it is held until its maturity date, expressed as an annual rate.

Duration

A measure of the sensitivity of the price of a bond or other debt instrument to changes in interest rates, often used as an indicator of interest rate risk.