Which of the Following Statements About the Size of an Organism's

question 34

Multiple Choice

Which of the following statements about the size of an organism's gas exchange surface is true?

• A) Organisms with small demands generally still have large gas exchange surfaces.
• B) The lungs of active mammals have smaller gas exchange surfaces than the lungs of less active mammals.
• C) The surface area of a gas exchange surface is sized to match the needs of the organism.
• D) Extra gill surface area in a fish would help lower the drag forces in water.

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Definitions:

Prevalence Of Smoking

The proportion of a population that smokes, measured at a specific point in time.

Anonymous Survey

A survey in which the identities of the respondents are not known to the researchers, ensuring privacy and encouraging honest answers.

Case-control Study

An observational study design in which two groups differing in outcome are identified and compared on the basis of some supposed causal attribute.

Outcome Variable

The variable being measured or tested in an experiment or study to assess the effects of treatment or exposure.