The Size of a Particular Appendage in Many Populations of Beetles

question 88

Multiple Choice

The size of a particular appendage in many populations of beetles is determined by alleles at many genetic loci and is largely unaffected by selection.Initially, many populations start with about the same average size of the appendage.Assuming that genetic drift is the only evolutionary process operating, we would expect that over the course of many generations, the average size of the appendage would _______ and that there would be _______ difference in the size of the appendage among the different populations.

• A) increase; more
• B) increase; less
• C) stay about the same; more
• D) stay about the same; less
• E) decrease; more

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Definitions:

Monopolistic Competition

A market structure characterized by many firms selling products that are similar but not identical, allowing for competition based on price, quality, and marketing.

Profit-Maximizing Quantity

The level of production at which a company can achieve the highest possible profit, balancing additional costs against additional revenues.

Perfect Competition

A theoretical market structure characterized by many buyers and sellers, homogenous products, and no barriers to entry or exit, leading to optimal distribution of resources.

Lose Customers

The consequence faced by a business when it fails to meet the needs or expectations of its consumers, leading to a decrease in its customer base.