How Did the Cretaceous and Permian Extinctions Affect the Numbers

question 28

Multiple Choice

How did the Cretaceous and Permian extinctions affect the numbers of prey organisms?

• A) After the Permian extinction, the numbers or prey organisms increased then leveled off.
• B) After the Cretaceous extinction, the number of predators continuously increased.
• C) The Permian predators removed all Cretaceous predators.
• D) Predators and prey decreased in numbers.

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Definitions:

Volume of Activity

The level of production or sales volume at which a business operates during a specific period.

Identifying

The process of recognizing or establishing the identity of something or someone.

Cost of Goods Sold

Direct expenditures tied to the making of goods that a company markets, which include both labor and material costs.

Direct Cost

Expenses that can be directly traced to the production of specific goods or services, such as materials and labor.