A Diagram of the Flow of Energy Through an Ecosystem

question 36

Multiple Choice

A diagram of the flow of energy through an ecosystem resembles a pyramid. This explains why

• A)some ecosystems have a higher primary productivity than others.
• B)animals need energy for maintenance.
• C)there is more grass than zebras, and more zebras than lions, on the African savanna.
• D)not every organism at one level of the food chain is eaten by an organism at the next level of the food chain.

Recognize the predictable side effects of increased government activity, such as rent-seeking behavior.

Comprehend why elected representatives may prefer borrowing for financing current government programs.

Explain why producers tend to be better represented in lobbying efforts compared to consumers.

Understand the concept and implications of rent-seeking behavior and its impact on resource allocation.

---

Definitions:

Two-Factor Theory

A psychological theory proposing that emotional experience results from a combination of physiological arousal and a cognitive label for that arousal.

Cognitive Appraisal

The process of interpreting and evaluating an event or situation which significantly influences one's emotional and psychological response.

James-Lange Theory

A theory of emotion proposing that emotions occur as a result of physiological reactions to events.

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for fight or flight responses by increasing heart rate, blood flow, and adrenaline release.