An Organism That Uses CO₂ for Its Carbon Needs and Sunlight

question 1

Multiple Choice

An organism that uses CO₂ for its carbon needs and sunlight for its energy needs would be called a ______.

• A)chemoheterotroph
• B)halotroph
• C)saprobe
• D)photoautotroph
• E)heterotroph

---

Definitions:

Marginal Cost

The charge of crafting one more unit of a product or service.

Product Markets

Markets where goods and services produced by businesses are sold to households.

Negative Externalities

These are costs that are suffered by a third party as a result of an economic transaction, which are not reflected in the market price.

Positive Externalities

Benefits that are enjoyed by a third-party or the society at large as a result of an economic transaction.