Refer to Figure 53

question 20

Multiple Choice

Refer to Figure 53.4 and then answer the following questions.

Figure 53.4: Infant mortality and life expectancy at birth in developed and developing countries (data as of 2005) .
-In terms of demographics, which country is likely to experience the greatest population growth problem over the next ten years?

• A) Mexico, because there are fewer pre-reproductive individuals in their population
• B) China, whose population is more than a billion, but whose expected fertility rate is 1.8 children
• C) Germany, where the growth rate of the population is 0.1% per year
• D) United States (2009 population ~ 205,000,000, where 200,000 Americans are added to the population each day)
• E) Afghanistan, with a 3.85 annual growth rate

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Definitions:

Gap Junctions

Specialized intercellular connections that facilitate direct electrical and chemical communication between cells.

Putative Neurotransmitter

A substance suspected to serve as a neurotransmitter in the brain or nervous system but not yet conclusively proven.

Conditions

Circumstances or factors that affect the outcome of a situation, experiment, or process.

Amine Subtype

Refers to the classification of chemicals or receptors in the brain based on their ability to interact with specific types of amine neurotransmitters.