Two Species of Frogs Belonging to the Same Genus Occasionally

question 4

Multiple Choice

Two species of frogs belonging to the same genus occasionally mate,but the offspring fail to develop and hatch.What is the mechanism for keeping the two frog species separate?

• A)the postzygotic barrier,reduced hybrid viability
• B)the postzygotic barrier,hybrid breakdown
• C)the prezygotic barrier,reduced hybrid fertility
• D)the prezygotic barrier,gametic isolation

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Definitions:

Structural Strain Theory

A sociological theory proposed by Robert K. Merton that explains deviance as the result of a discrepancy between socially approved goals and the available means to achieve those goals.

Socially Approved Goals

Objectives and aspirations that are widely accepted and valued by a society or social group.

Deviance

Behaviors or actions that violate societal norms or expectations, potentially resulting in societal judgement or sanctions.

Robert Merton's Typology

A framework developed by sociologist Robert Merton to categorize human responses to cultural goals and the means of achieving them.