An Elk Herd Is Observed Over Many Generations

question 67

Multiple Choice

An elk herd is observed over many generations. Most of the full-grown bull elk have antlers of nearly the same size, although a few have antlers that are significantly larger or smaller than this average size. The average antler size remains constant over the generations. Which of the following effects probably accounts for this situation?

• A) directional selection
• B) stabilizing selection
• C) a bottleneck effect that resulted in low genetic diversity
• D) a high rate of gene flow

Understand the assumptions underlying statistical tests and confidence intervals.

Apply hypothesis testing to compare means from two populations.

Understand the concept of sampling distribution and its importance in hypothesis testing.

Interpret the results of statistical tests in context.

---

Definitions:

New Slide

A fresh, blank slide added to a presentation in slide-based software like PowerPoint.

Undo

A command in many software applications that reverses the most recent action or command made by the user.

Increase Font Size

Increasing font size refers to making the text larger in a digital document or web page for better readability.

Remove Text

The action of deleting written content from a document.