The Next Few Questions Refer to the Following Description

question 19

Multiple Choice

The next few questions refer to the following description.
On the Bahamian island of Andros, mosquitofish populations live in various, now-isolated, freshwater ponds that were once united. Currently, some predator-rich ponds have mosquitofish that can swim in short, fast bursts; other predator-poor ponds have mosquitofish that can swim continuously for a long time. When placed together in the same body of water, the two kinds of female mosquitofish exhibit exclusive breeding preferences.
-Which two of the following have operated to increase divergence between mosquitofish populations on Andros?
1) improved gene flow
2) bottleneck effect
3) sexual selection
4) founder effect
5) natural selection

• A) 1 and 3
• B) 2 and 3
• C) 2 and 4
• D) 3 and 4
• E) 3 and 5

---

Definitions:

Market

An area or arena in which commercial dealings are conducted.

Price

The investment deemed necessary, expected, or delivered in payment for an item.

Producer Surplus

The difference between what producers are willing to accept for a good or service versus what they actually receive, representing a measure of producer welfare.

Market Price

The ongoing price point for transactions involving assets or services in the open market.