Use the Following Description to Answer the Question

question 2

Multiple Choice

Use the following description to answer the question.
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 5

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Definitions:

Scrotal Skin

The external protective covering of the scrotum, characterized by its elasticity and sensitivity, distinguishing it from other types of skin.

Testicles

Male reproductive glands that produce sperm and hormones, housed within the scrotum.

Genitourinary History

An account of past and present conditions, disorders, or surgeries of the reproductive and urinary systems of a patient.

Nocturnal Emissions

Involuntary ejaculation of semen during sleep, often occurring in adolescent and adult males.