Biologists Sometimes Divide Living Organisms into Two Groups: Autotrophs and Heterotrophs

question 9

Multiple Choice

Biologists sometimes divide living organisms into two groups: autotrophs and heterotrophs. These two groups differ in ________.

• A) their sources of energy
• B) their electron acceptors
• C) their mode of nutrition
• D) the way that they generate ATP

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Definitions:

Materials

The physical substances or components needed for something, especially those used for construction or manufacturing.

Time And Materials Contract

A contract agreement where payment is based on the actual labor hours worked and materials used.

Labor-Hour Contract

A contract in which payment is made based on the number of hours worked, typically used for projects where the scope is not clearly defined.

Hourly Rate

The amount of money paid for each hour of work.