The Mass Extinction at the End of the Ordovician Period

question 88

Multiple Choice

The mass extinction at the end of the Ordovician period killed

• A) 50 percent of marine animal families, including many trilobites.
• B) 50 percent of terrestrial and marine animal families, including many trilobites.
• C) 90 percent of terrestrial and marine animal families, and 100 percent of terrestrial plants.
• D) 100 percent of trilobites and 90 percent of terrestrial and marine animal families.

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Definitions:

Situational Model

A theory or approach suggesting that the effectiveness of leadership, strategies, or decisions depends on specific situational factors.

Leadership Effectiveness

is the degree to which a leader successfully achieves desired outcomes and goals through influencing others.

Transactional Leader

A leadership style focused on supervision, organization, and performance; transactional leaders promote compliance through rewards and punishments.

Rewards

Benefits, recognition, or compensation provided to an individual or group for achieving certain objectives or performing well.