Imagine an Invertebrate That Lives in an Estuary Where Salinity

question 21

Multiple Choice

Imagine an invertebrate that lives in an estuary where salinity varies cyclically with the tides. If this animal practices homeostasis with respect to the salt concentration of its body fluids, its salt concentration will show ________.

• A)no fluctuations
• B)slight, continuous fluctuations
• C)a more concentrated state than the surrounding water at all times
• D)a more diluted state than the surrounding water at all times

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Definitions:

Electrodes

Conductive materials that allow the flow of electrical current in and out of a circuit or solution.

ECG Paper

Specialized graph paper used in electrocardiography to record electrical activity of the heart over time.

Single-Channel Machines

Devices that are designed to process or measure one signal or data stream at a time.

ECG Machine

A medical device used to measure the electrical activity of the heart over a period of time, aiding in the diagnosis and monitoring of heart conditions.