Which of the Following Statements Comparing Respiration in Fish and in Mammals

question 63

Multiple Choice

Which of the following statements comparing respiration in fish and in mammals is correct?

• A) The respiratory medium for fish carries more oxygen than the respiratory medium of mammals.
• B) A countercurrent exchange mechanism between the respiratory medium and blood flow is seen in mammals but not in fish.
• C) The movement of the respiratory medium in mammals is bidirectional, but in fish it is unidirectional.
• D) In blood, oxygen is primarily transported by plasma in fish, but by red blood cells in mammals.

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Definitions:

Quantitative Forecasting

The use of numerical data and statistical models to predict future outcomes based on historical data.

Regression Analysis

Presupposes that a linear relationship exists between one or more independent (causal, or predictor) variables, which are predicted to affect the dependent (criterion) variable-in our instance, future HR demand for personnel (i.e., the number of employees).

Trend Projection

A forecasting technique that extends past data points into the future to predict outcomes, often used in sales, finance, and inventory planning.

HR Forecasting

A method used in human resources to estimate future workforce needs to achieve the organization's objectives.