In One Butterfly Species, the Colors of Individuals Range from White

question 63

Multiple Choice

In one butterfly species, the colors of individuals range from white to black, with many shades of gray in between. If the butterflies in a mountain population become more and more similar in color over several generations (for example, if most butterflies are the same shade of gray) , what kind of evolutionary force is likely acting on the population?

• A)directional selection
• B)disruptive selection
• C)stabilizing selection
• D)artificial selection

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Definitions:

Sex Hormone

Biological compounds that play critical roles in sexual function and characteristics, including hormones like estrogen, progesterone, and testosterone.

Menarche

The first occurrence of menstruation in a female, marking the onset of fertility.

Primary Sex Characteristic

refers to the biological attributes directly involved in reproduction, including the sex organs such as ovaries in females and testes in males.

Gender Role Socialization

The idea that people learn culture-specific expectations about gender roles passively, through exposure to social information in the environment.