Use the Following Information to Answer the Question(s) Below

question 11

Multiple Choice

Use the following information to answer the question(s) below.
Martin Wikelski and L. Michael Romero (Body size, performance, and fitness in Galápagos marine iguanas, Integrative and Comparative Biology 43 [2003]: 376-86) measured the snout-to-vent (anus) length of Galápagos marine iguanas and observed the percent survival of different-sized animals, all of the same age. The graph shows the log snout-vent length (SVL, a measure of overall body size) plotted against the percent survival of these different-size classes for males and females.
-Examine the accompanying figure. What type of selection for body size appears to be occurring in these marine iguanas?

• A) directional selection
• B) stabilizing selection
• C) disruptive selection
• D) You cannot determine the type of selection from the above information.

---

Definitions:

Genes

Units of heredity made up of DNA, responsible for the inherited characteristics in living organisms.

Health Care Costs

Health care costs refer to the expenses related to medical services, treatments, medications, and hospital care provided to individuals.

Chronic Conditions

Long-standing, persisting health issues that often require ongoing management or treatment.

Boomers

A term that refers to individuals born during the post-World War II baby boom between 1946 and 1964, known for experiencing significant economic prosperity.