Negative Selection in a Migration Model Means That

question 24

Multiple Choice

Negative selection in a migration model means that

• A)immigrants from the source country are highly skilled relative to labor in the destination country.
• B)immigrants from the source country are not highly skilled relative to labor in the destination country.
• C)all workers in the source country would earn a higher return on their skills if they would remain in the source country.
• D)all workers in the source country would earn a higher return on their skills if they would not immigrate to the destination country.
• E)anyone in the source country who can afford the cost of migrating to the destination country will do so.

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Definitions:

Polyp

A tumor with a pedicle, especially on mucous membranes, such as in the nose, rectum, or intestines.

Mucosal Membrane

Moist tissue layer lining body cavities or passages that are open to the exterior, such as the mouth, nose, and intestines.

Upper Epithelial Cells

The cells that are located on the surface layer of an epithelium, acting as a barrier against physical and microbial threats.

Endocrine Gland

A gland in the body that releases hormones directly into the bloodstream to regulate various processes such as growth, metabolism, and mood.