Freshwater Fish Are Hypertonic Compared to Their Environment

question 10

Multiple Choice

Freshwater fish are hypertonic compared to their environment.To maintain homeostasis in this environment,they must _____.

• A)excrete large quantities of electrolytes
• B)consume large quantities of water
• C)excrete large quantities of water
• D)take in electrolytes through simple diffusion

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Definitions:

Physiological Arousal

The body’s response to a stimulus, which includes increased heart rate, sweating, and heightened senses.

States of Emotion

The temporary emotional experiences or feelings that vary in intensity and occur in response to external or internal events.

Two-Factor Theory

The Schachter-Singer theory that to experience emotion one must (1) be physically aroused and (2) cognitively label the arousal.

Sympathetic Nervous System Activity

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