At the End of the Permian, the Marine Invertebrates Suffered

question 17

True/False

At the end of the Permian, the marine invertebrates suffered the greatest extinction with about 90 percent loss of species.

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Definitions:

Seasonal Pattern

Variation in behaviors, emotions, or processes that occur as a response to the change of seasons.

Survey

A descriptive technique for obtaining the self-reported attitudes or behaviors of a particular group, usually by questioning a representative, random sample of the group.

Seasonal Pattern

A cyclic variation in behavior, mood, or patterns of activity influenced by changes in the seasons or weather conditions.

Depressive Disorder

A mind-related disorder characterized by a never-ceasing state of depression or absence of enthusiasm for activities, largely affecting life's daily operations.