The Phenomenon of Fusion Is Likely to Occur When, After

question 66

Multiple Choice

The phenomenon of fusion is likely to occur when, after a period of geographic isolation, two populations meet again and ________.

• A) an increasing number of infertile hybrids is produced over the course of the next 100 generations
• B) no reproduction occurs in the hybrid zone
• C) an increasing number of viable, fertile hybrids is produced over the course of the next 100 generations
• D) a decreasing number of viable, fertile hybrids is produced over the course of the next 100 generations

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Definitions:

APC

In economics, it stands for Average Propensity to Consume, indicating the fraction of income that is spent.

Disposable Income

Resources households have at their disposal for saving and expenditure once income taxes have been accounted for.

Marginal Propensity

Typically refers to the marginal propensity to consume (MPC), which is the proportion of an additional income that a consumer spends on goods and services as opposed to saving it.

Disposable Income

The income available for saving and spending after the deduction of income taxes from earnings is known as disposable income.