Suppose That Two Groups of Humans Became Completely Isolated from One

question 35

Multiple Choice

Suppose that two groups of humans became completely isolated from one another for a very long period of time due to a geographic barrier and that each group had very different environmental conditions with which to contend.What might be true?

• A)Gene flow would occur between the two populations.
• B)Speciation could occur,since the human species already exists.
• C)The scenario described is an example of sympatric speciation.
• D)The two populations would be subject to identical selective pressures.
• E)If speciation occurred,reproductive isolation would necessarily end if the two species later inhabited the same area.

---

Definitions:

Army Officers

Military personnel who hold positions of authority and command within an army, responsible for leading and managing soldiers.

Three Skill Model

A leadership model suggesting that effective leaders require a combination of technical, human, and conceptual skills.

Leadership

The act of guiding or managing a group of people or an organization.

Katz

Refers to a model developed by Robert Katz that identifies three essential managerial skills: technical, human, and conceptual.