Scientists Have Proposed Three Hypotheses to Explain Patterns of Species

question 172

Essay

Scientists have proposed three hypotheses to explain patterns of species diversity at different latitudes.Using the tropics as an example, explain how more than one of the proposed hypotheses might account for species diversity in this region.

---

Definitions:

Variable Expenses

Costs that vary directly with changes in production volume or business activity levels, such as materials and labor costs.

Net Operating Income

The profit a company makes from its regular business operations, excluding deductions of interest and taxes.

Degree Of Operating Leverage

A financial metric that measures the sensitivity of a company’s operating income to its sales, indicating how revenue growth translates into growth in operating income.

Variable Expenses

Expenses that fluctuate with production levels or business activity, such as materials and labor.