What Organism Usually Fixes Nitrogen into Usable Chemical Forms

question 36

Multiple Choice

What organism usually fixes nitrogen into usable chemical forms?

• A) Archaea
• B) Extremophiles
• C) Cyanobacteria
• D) Dinoflagellates

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Definitions:

Sympathetic Nervous System

Part of the autonomic nervous system that controls the body's responses to perceived threats, including the fight or flight response.

Cortex

The outer layer of the cerebrum of the mammalian brain, involved in various high-level brain functions such as perception, thought, memory, and decision making.

Emotion-arousing Stimulus

Any event or object in the environment that triggers a specific emotional response.

James-Lange Theory

The theory that our experience of emotion is our awareness of our physiological responses to emotion-arousing stimuli.