In This Phylogenetic Tree, What Does "A" Represent? "B" Represent

question 34

Multiple Choice

In this phylogenetic tree, what does "A" represent? "B" represent?

• A) A = branch; B = branch
• B) A = node; B = branch
• C) A= root; B = branch
• D) A = node; B = root
• E) A = branch; B = node

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Definitions:

Emotion

A complex psychological state that involves a subjective experience, physiological response, and behavioral or expressive response.

Hans Selye

A pioneering Hungarian-Canadian endocrinologist who is known for his research on the stress response and for introducing the concept of stress in medical research.

Stress Response

The body's reaction to a challenge or demand, characterized by physiological and psychological changes that prepare the body to act.

Alarm Phase

The initial stage of the body's response to stress, activating the sympathetic nervous system and the fight-or-flight response.