One of the Key Contributions of the Punctuated Equilibrium Model

question 24

Multiple Choice

One of the key contributions of the punctuated equilibrium model is that it helps explain

• A) why transitional fossils are more common than Darwin would have predicted.
• B) why transitional fossils tend to be rare and certain common fossil species remain unchanged for long time spans.
• C) how new species arise from hybridization events.
• D) why large, widespread populations tend to be the ones that evolve most rapidly and unpredictably.

---

Definitions:

Social Unrest

A condition of dissatisfaction and discord within a community or society, often leading to protests, demonstrations, or conflicts.

Relatively Deprived

A perception or feeling of disadvantage when comparing oneself to others in similar situations or to societal standards, leading to dissatisfaction and potential social unrest.

Relative Deprivation

A feeling of dissatisfaction or injustice experienced by people who believe they have less than they deserve, often in comparison to others.

Race Riots

Violent conflicts that arise from tensions or confrontations between racial groups within a community or society.