Estimates of Current Rates of Extinction

question 64

Multiple Choice

Estimates of current rates of extinction

• A) indicate that we have reached a state of stable equilibrium in which speciation rates equal extinction rates.
• B) suggest that one-half of all animal and plant species may be gone by the year 2100.
• C) indicate that rates may be greater than the mass extinctions at the close of the Cretaceous period.
• D) indicate that only 1% of all of the species that have ever lived on Earth are still alive.
• E) suggest that rates of extinction have decreased globally.

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Definitions:

Performance Appraisal

A systematic evaluation process by which an employee's job performance is assessed and documented.

Relative Standing

An individual's or entity's position or rank in comparison to others within a specific context or group.

Job Sharing

A work arrangement whereby two or more individuals share the responsibilities and duties of one full-time job, splitting the hours, benefits, and pay.

360-degree Assessment

A feedback mechanism where an employee is evaluated by peers, supervisors, subordinates, and sometimes clients, providing a comprehensive view of their performance.