Anoxygenic Phototrophs

question 7

Multiple Choice

Anoxygenic phototrophs

• A) produce oxygen.
• B) use water as a source of electrons.
• C) use hydrogen sulfide or organic compounds as a source of electrons.
• D) use the same form of chlorophyll found in terrestrial plants.
• E) produce oxygen AND use the same form of chlorophyll found in terrestrial plants.

---

Definitions:

Performance Variable

A factor that can influence the outcome or level of performance in an activity or task.

Survey

A method of gathering information from a sample of individuals in a systematic way to generalize findings to a larger population.

Motivation

The psychological processes that direct and maintain goal-directed behaviors and actions.

Initiation

The act of beginning or starting something, often related to ceremonies, rituals, or the formal admission into a group or activity.