Which of the Following Statements About Dinosaurs Is False

question 78

Multiple Choice

Which of the following statements about dinosaurs is false?

• A) Some species lived in social groups and hunted in packs.
• B) Dinosaurs were all slow-moving, with relatively low metabolic rates.
• C) Fossils of dinosaurs with feathers suggest that feathers first evolved to provide insulation.
• D) Dinosaur social behaviors include courtship rituals and parental nurturing of the young.
• E) Dinosaurs underwent an extensive radiation throughout the Jurassic and Cretaceous periods.

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Definitions:

Marginal Output

Refers to the additional output that results from using one more unit of a production input, such as labor or capital, in the production process.

Total Output

The total quantity of goods and services produced in an economy during a given period.

Fixed Cost

Expenses that do not change in total regardless of the level of output or activity, such as rent, salaries, and insurance.

Variable Cost

Expenses that vary directly with the volume of output or business operations.