In a Species of Salamander,there Are Two Forms,red and Yellow

question 10

Multiple Choice

In a species of salamander,there are two forms,red and yellow.As the yellow form becomes less common due to predation and the red form more common,the yellow form becomes less likely to be eaten and more likely to survive and reproduce.The yellow form then becomes more common and roles of red and yellow forms reverse.This is an example of

• A)negative frequency-dependent selection.
• B)directional selection.
• C)disruptive selection.
• D)balancing selection.
• E)intrasexual selection.

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Definitions:

Quantity Demanded

Refers to the total amount of a good or service that consumers are willing and able to purchase at a given price in a specified period.

Relative Change

The measure of how much a variable changes in proportion to a reference amount.

Elastic

Elastic refers to the responsiveness of the quantity demanded or supplied of a good or service to a change in its price.

Price Elasticity

Price elasticity refers to the responsiveness of the quantity demanded or supplied of a good or service to a change in its price.