The Three Basic Variables That Make Up the Life History

question 29

Multiple Choice

The three basic variables that make up the life history of an organism are

• A) life expectancy, birth rate, and death rate.
• B) number of reproductive females in the population, age structure of the population, and life expectancy.
• C) age when reproduction begins, how often reproduction occurs, and how many offspring are produced per reproductive episode.
• D) how often reproduction occurs, life expectancy of females in the population, and number of offspring per reproductive episode.
• E) the number of reproductive females in the population, how often reproduction occurs, and death rate.

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Definitions:

APC

The acronym for Average Propensity to Consume, which measures the fraction of income that households spend on goods and services rather than saving.

Disposable Income

The cash pile households can utilize for their spending and savings needs after income taxes are handled.

MPC

Marginal Propensity to Consume, which represents the ratio of change in consumer spending to a change in household income.

MPS

The marginal propensity to save, which is the proportion of an increase in income that is saved rather than spent on consumption.