Which of the Following Was Probably the Least Important Factor

question 12

Multiple Choice

Which of the following was probably the least important factor in bringing about the Cambrian explosion?

• A)the emergence of predator-prey relationships among animals
• B)the accumulation of sufficient atmospheric oxygen to support the more active metabolism of mobile animals
• C)the movement of animals onto land
• D)the origin of Hox genes and other genetic changes affecting the regulation of developmental genes

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Definitions:

EPS

Earnings Per Share, a financial ratio indicating the amount of profit attributable to each share of common stock.

Annual Dividends

Regular payments made by a company to its shareholders out of its profits or reserves on a yearly basis.

Rate of Return

The gain or loss on an investment over a specified time period, expressed as a percentage of the investment's cost.

Annual Dividend

The total amount of dividend that a company pays to its shareholders in a year.