If a Water Beetle Has Used Up Half of the Oxygen

question 33

Multiple Choice

If a water beetle has used up half of the oxygen in its air bubble, the concentration of oxygen in the bubble is _______ the concentration of oxygen in the water. The partial pressure of oxygen in the bubble is _______ the partial pressure of oxygen in the water. Therefore, oxygen will move from the _______.

• A) greater than; less than; water into the bubble
• B) less than; less than; bubble into the water
• C) less than; less than; water into the bubble
• D) greater than; less than; bubble into the water

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Definitions:

Standardization

Establishing norms for comparing the scores of people who will take a test in the future; administering tests using a prescribed procedure.

Reliability

The extent to which a measure is consistent and free from error, providing similar results under consistent conditions.

IQ Scores

A measure of a person's cognitive abilities and potential, commonly expressed as a score derived from standardized tests designed to assess human intelligence.

Percentage

A mathematical term describing a number or ratio expressed as a fraction of 100.