Of the Following Examples of Ecological Effect Leading to an Evolutionary

question 55

Multiple Choice

Of the following examples of ecological effect leading to an evolutionary effect (→) , which is most correct?

• A)When seeds are not plentiful → trees produce more seeds.
• B)A few organisms of a larger population survive a drought → these survivors then emigrate to less arid environments.
• C)A few individuals with denser fur survive the coldest days of an ice age → the reproducing survivors all have long fur.
• D)Fish that swim the fastest in running water → catch the most prey and more easily escape predation.
• E)The insects that spend the most time exposed to sunlight → have the most mutations.

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Definitions:

Real Income

The earning power of a person's money, considering the effects of inflation on purchasing power.

Wages

Payment to resource owners for their labor.

Externality

A consequence of an economic activity experienced by unrelated third parties; it can be either positive or negative.

Precision-estimates

The accuracy of an estimate in terms of how closely it predicts the actual value, often relevant in statistical analyses and forecasting.