The Peppered Moth Provides a Well-Known Example of Natural Selection

question 5

Multiple Choice

The peppered moth provides a well-known example of natural selection.The light-colored form of the moth was predominant in England before the industrial revolution.In the mid-nineteenth century,a dark-colored form appeared.The difference is produced by a dominant allele of one gene.By about 1900,approximately 90% of the moths around industrial areas were dark colored,whereas light-colored moths were still abundant elsewhere.Apparently,birds could readily find the light moths against the soot-darkened background in industrial areas and therefore were eating more light moths.Recently,use of cleaner fuels has greatly reduced soot in the landscape,and the dark-colored moths have been disappearing.Should the two forms of moths be considered separate species?

• A)Yes,because natural selection has affected the frequency of the two different forms.
• B)Yes,because they have completely different coloration.
• C)No,because there is no evidence that they are reproductively isolated.
• D)Both A and B are correct.

Know the regulatory reforms affecting corporate governance and shareholder rights.

Evaluate the legal implications of decisions made by corporate officers and directors, including liability issues.

Understand the similarities and differences in basic programming constructs between C and C++.

Comprehend the use and benefits of format manipulators in C++.

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Definitions:

Break-even Point

The point at which total costs and total revenue are equal, meaning there is no net loss or gain.

Variable Costs

Costs that vary in direct proportion to the volume of output or level of activity.

Fixed Costs

Costs that do not change with the level of output or sales, such as rent, salaries, and insurance premiums.

Fixed Costs

Financial obligations like rent, salaries, and insurance that do not vary with changes in production or sales figures.