Africa Is Home To____________, Nearly Every Form of Ecological Niche

question 3

Multiple Choice

Africa is home to____________, nearly every form of ecological niche found on Earth, and hundreds of ethnic groups who together speak more than a thousand languages.

• A) more than fifty countries
• B) one indigenous religion
• C) religious-based democracies
• D) fewer than five countries

---

Definitions:

Imperfect Competition

A market structure characterized by the presence of several competing firms but which lack the conditions of perfect competition, often leading to market power.

Implicit Cost

The monetary income a firm sacrifices when it uses a resource it owns rather than supplying the resource in the market; equal to what the resource could have earned in the best-paying alternative employment; includes a normal profit.

Forgone Rent

The potential income lost by choosing to use a property or resource in a way that is not financially optimal, such as using land for personal use instead of renting it out.

Rental Payments

Regular payments made by a tenant to an owner for the use of the owner's property or land.