Frequency-Dependent Selection, as Seen in the Case of the Scale-Eating

question 35

Multiple Choice

Frequency-dependent selection, as seen in the case of the scale-eating fish in Lake Tanganyika, tends to

• A) eliminate rare alleles and favor whichever allele is initially most frequent.
• B) maintain two phenotypes in a dynamic equilibrium in a population.
• C) produce random changes in allele frequencies.
• D) stimulate new mutations.

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Definitions:

Economic Strike

A work stoppage conducted by employees to demand higher wages, better benefits, or improved working conditions from their employer.

Recognition Strike

A type of strike aiming to compel an employer to recognize and negotiate with the union as the official collective bargaining agent for the workers.

Sympathy Strike

A work stoppage by workers in one industry intended to show support for striking workers in a different industry or company.

NLRA

A key piece of legislation in US labor law, the National Labor Relations Act establishes the rights of workers to unionize and negotiate collectively with their employers.