In a Population of Parrots on an Island, There Is

question 13

Multiple Choice

In a population of parrots on an island, there is considerable variation in beak size. Parrots with small, thick beaks can efficiently eat locusts insect) , while birds with long, thin beaks can efficiently eat beetles. Both food types are available on the island. Which of the following types of selection, and effects on phenotypic variation would you expect to see?

• A) Directional selection; phenotypic variation increases.
• B) Directional selection; phenotypic variation decreases.
• C) Disruptive selection; phenotypic variation is maintained.
• D) Disruptive selection; phenotypic variation decreases.
• E) Directional selection; phenotypic variation remains the same.

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Definitions:

Flexible Organization Structure

Describes an organizational framework that can easily adapt to changes, allowing for modifications in structures and processes.

Horizontal Differentiation

The division of roles and responsibilities within an organization that focuses on the specialization and expertise of its members, rather than their rank or status.

Vertical Differentiation

The way an organization structures its hierarchy of authority, creating levels of management and rank within the company.

Charles Perrow

An American sociologist known for his theoretical contributions to the study of organizations, particularly the concept of "normal accidents."