In 2000, 87 Percent of the Wild Rat Populations in Stadtlohn

question 36

Multiple Choice

In 2000, 87 percent of the wild rat populations in Stadtlohn, Germany, was resistant to the poison bromadiolone. This indicates that ____was/were commonly used as rat poison(s) here, and the rat's resistance is an example of ____ selection.

• A) warfarin; directional
• B) bromadiolone; directional
• C) both warfarin and bromadiolone; disruptive
• D) neither warfarin nor bromadiolone; stabilizing
• E) bromadiolone; disruptive

---

Definitions:

Objective Study

A study conducted in a way that aims to eliminate bias and subjectivity to achieve neutral and factual results.

Clinical Research

The branch of healthcare science that determines the safety and effectiveness of medications, devices, diagnostic products, and treatment regimens intended for human use.

Replicated

Refers to something that has been copied or reproduced, often used in the context of scientific research or experiments.

Ethical Considerations

Factors relating to right and wrong, morality, and the principles that govern an individual's or group's behaviors.