A Sparrow Population Currently Eats Seeds That Are Mostly of Medium

question 188

Multiple Choice

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

• A) A decrease in population size of the sparrow
• B) More seeds that are either considerably smaller or considerably larger than average, with fewer 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:

Present Value

The current value of a future sum of money or stream of cash flows, given a specified rate of return.

Nominal Interest Rates

The interest rate before adjustments for inflation, representing the face value of borrowing costs.

Inflation Rate

How quickly the average cost of products and services goes up, causing the ability to purchase to decline.

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A valuation ratio of a company's current share price compared to its per-share earnings, indicating the dollar amount an investor can expect to invest in a company in order to receive one dollar of that company’s earnings.