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

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Definitions:

B Lymphocytes

A type of white blood cell crucial for the adaptive immune response, responsible for producing antibodies.

Helper T Cells

A type of T cell in the immune system that assists other cells in responding to infected or cancerous cells by releasing cytokines.

Antibodies Production

The process by which the immune system creates antibodies to defend against pathogens or foreign substances that enter the body.

Interferon Levels

The concentration of interferons, which are proteins released by cells in response to the presence of pathogens, signaling other cells to heighten their defensive measures.