Use This Figure to Answer the Following Questions

question 25

Multiple Choice

Use this figure to answer the following questions.

-Which extinct species should be the best candidate to serve as the outgroup for the clade whose common ancestor occurs at position 2 in the above figure?

• A)A
• B)B
• C)C
• D)D

---

Definitions:

Doctors per Population

A ratio that illustrates the number of medical professionals available to serve a given number of people in a specified area.

Health Maintenance Organizations (HMOs)

Health care providers that contract with employers, insurance companies, labor unions, or government units to provide health care for their workers or others who are insured.

Physical Training

A regimen or program of physical activities designed to improve fitness, strength, or endurance.

Patient Protection and Affordable Care Act (PPACA)

A federal statute signed into law in 2010 aimed at reducing healthcare costs and increasing health insurance coverage to Americans.