According to a Central Hypothesis of Diving Physiology, It Is

question 52

Multiple Choice

According to a central hypothesis of diving physiology, it is adaptive for diving mammals to keep their dives shorter than their species-specific aerobic dive limit (ADL) because doing so maximizes _______ and minimizes _______.

• A) time spent underwater; the time available for foraging
• B) recovery time at the surface; the time spent underwater
• C) the time available for foraging; exposure to predation
• D) exposure to predation; the time available for foraging

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Definitions:

Independent Variable

In an experiment, the variable that is manipulated or changed by the researcher to observe its effect on the dependent variable.

Dependent Variable

A variable in an experiment that is expected to change as a result of manipulations of the independent variable.

Extraneous Variable

Any variable in a scientific experiment that is not the independent or dependent variable but may affect the results of the experiment if not properly controlled.

Random Assignment

A method used in experiments where participants are allocated to different groups purely by chance, minimizing pre-existing differences between those groups.