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

question 81

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 (e.g., if most butterflies are the same shade of gray) , what kind of evolutionary force is likely acting on the population?

• A) Stabilizing selection
• B) Disruptive selection
• C) Artificial selection
• D) Directional selection

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Definitions:

Avoidant Attachment

The attachment pattern in which infants are indifferent to where their mother is sitting, may or may not cry when their mother leaves, are as likely to be comforted by strangers as by their mother, and are indifferent when their mother returns to the room.

Strange Situation

A psychological experiment designed by Mary Ainsworth to assess attachment styles of infants by observing their reactions to separations and reunions with their caregivers.

Strange Situation Procedure

A research method developed by Mary Ainsworth to assess patterns of attachment between a child and their caregiver through a series of introductions, separations, and reunions.

Disorganized Attachment

The insecure attachment pattern in which infants seem to lack a coherent method for dealing with stress. They may behave in seemingly contradictory ways, such as screaming for their mother but moving away when she approaches. In extreme cases, they may seem dazed.