There Are Currently Many Similar but Different Species on Either

question 24

Multiple Choice

There are currently many similar but different species on either side of the isthmus of Panama.They probably resulted from:

• A)large rapid changes in their gene frequencies.
• B)hybridization.
• C)sympatric speciation.
• D)allopatric speciation.

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Sales

Revenue generated from the sale of goods or services.

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Unit Variable Cost

The cost associated with producing one additional unit of a product, excluding fixed costs.

Fixed Cost

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