A Person ________ Be Cheaply Prevented from Using National Defense

question 115

Multiple Choice

A person ________ be cheaply prevented from using national defense, a(n) ________ good.

• A) can; excludable
• B) cannot; nonexcludable
• C) cannot; excludable
• D) can; nonexcludable

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Definitions:

Hygiene Hypothesis

Suggests that a lack of early childhood exposure to infectious agents, symbiotic microorganisms, and parasites increases susceptibility to allergic diseases by suppressing the natural development of the immune system.

Alleles

Different versions of a gene that determine distinct traits that can be passed on to offspring.

Evolutionary History

The chronological sequence of biological events and processes that have led to the diversity of life and the traits observed in organisms today.

Thrifty Genotype

A hypothesis suggesting that certain genes predispose individuals to efficiently collect and process food to deposit fat during periods of food abundance, which could lead to obesity in sedentary lifestyles.