The Following Questions Refer to the Paragraph and Graphs Below

question 49

Multiple Choice

The following questions refer to the paragraph and graphs below.
In a hypothetical situation, the National Park Service, which administers Grand Canyon National Park in Arizona, builds a footbridge over the Colorado River at the bottom of the canyon. The footbridge permits interspersal of two closely related antelope squirrels. Previously, one type of squirrel had been restricted to the terrain south of the river, and the other type had been restricted to terrain on the north side of the river. Immediately before and ten years after the bridge's completion, ten antelope squirrels from both sides of the river were collected, blood samples were taken, and frequencies of alleles unique to the two types of antelope squirrels were determined (see graphs below) .


-In order for speciation to occur, what is True?

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Definitions:

Supply Curves

Graphical representations showing the relationship between the price of a good or service and the quantity of that good or service that a supplier is willing to offer for sale.

Price Floors

A government- or authority-imposed minimum price that sellers must charge for a good or service, essentially preventing prices from falling below this set level.

Ceiling Prices

Maximum prices set by the government on certain goods and services to prevent excessive pricing during shortages or inflationary periods.

Rationing Function

The ability of market prices to distribute scarce goods and services among consumers based on willingness and ability to pay.