Heterotrophs Could Live Underground If They Could Find a Food

question 77

True/False

Heterotrophs could live underground if they could find a food source,but photosynthetic autotrophs,which include the majority of autotrophs on Earth,must live where they can obtain sunlight.

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Definitions:

Barter System

An ancient method of exchange where goods and services are directly traded for other goods and services without using money.

Good

A material item that can be touched, used, or consumed, which is produced to fulfill wants or needs.

Service

A type of economic activity that is intangible, is not stored, and does not result in ownership; services are produced and consumed at the same time.

Exchange

The act of giving one thing and receiving another in return, often referring to the trade of goods, services, or financial instruments.