Sparrows Raised in Isolation Still Learn to Sing, but Their

question 55

Multiple Choice

Sparrows raised in isolation still learn to sing, but their songs are abnormal. This is an example of:

• A) a critical period.
• B) a sensitive period.
• C) an imprinting period.
• D) the gestational age.

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Definitions:

Productive Capacity

The maximum output that an economy can achieve when using its resources fully and efficiently.

Standard of Living

The degree of wealth and material comfort available to a person or community.

Aggregate Expenditures

are the total amount of spending on goods and services in an economy at a given level of income during a specified period.

Recession

A phase of short-term economic downturn characterized by decreased trading and industrial output, generally recognized by a drop in Gross Domestic Product across two consecutive quarters.