Productivity in an Ecosystem Has to Do With

question 63

Multiple Choice

Productivity in an ecosystem has to do with:

• A) The efficiency of its primary producers
• B) The number of different species living in the ecosystem
• C) Its longevity
• D) The combined metabolic rate of the biological communities
• E) Its rate of producing biomass

---

Definitions:

Commodity X

A placeholder term for any generic good or service in economic discussions or models.

Commodity Y

A generic term for any tradable good or material product that is interchangeable with other goods of the same type.

Utility Function

It's a mathematical representation of how a consumer's preferences over a set of goods and services translates into a level of satisfaction or utility.

Price of X

The cost at which a specific item or commodity, denoted as "X," is sold in the market.