Figure 21-1 Use the Figure to Answer the Corresponding Question(s)

question 8

Multiple Choice

Figure 21-1
Use the figure to answer the corresponding question(s) .
-The theory illustrated by Figure 21-1 is used to explain the origin of:

• A) anaerobes.
• B) prokaryotes.
• C) eukaryotes.
• D) vascular plants.
• E) protobionts.

---

Definitions:

Profit Margin

A financial metric that measures the extent to which a company or a business activity makes money, expressed as a percentage of sales revenues.

Debt-Equity Ratio

The ratio that evaluates the equity-versus-debt financing approach for company assets.

Return on Equity

A measure of financial performance calculated by dividing net income by shareholder's equity, indicating how well a company uses investments to generate earnings growth.