Yvonne's Employer Offers a Health Plan That Has a Group

question 48

Multiple Choice

Yvonne's employer offers a health plan that has a group of doctors and hospitals that agree to provide specified medical services to members at prearranged fees. This health plan offers some flexibility since members can either visit a physician from a list or go to their own doctors. What kind of plan does her employer offer?

• A) Medicaid
• B) Public insurance company
• C) Hospital and medical service plan
• D) Medicare
• E) Preferred provider organization (PPO)

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Definitions:

Nonadaptive Evolution

Evolutionary changes that occur without improving the biological fitness of an organism, often due to genetic drift.

Genetic Drift

A mechanism of evolution involving random fluctuations in gene frequencies within a population that can lead to significant genetic changes over time.

Mutation

A mutation is any change to the genomic sequence of an organism.

Natural Selection

The process by which organisms better adapted to their environment tend to survive and produce more offspring, a key mechanism of evolution proposed by Charles Darwin.