Which of the following organisms would be able to extract the GREATEST percentage of oxygen from their respiratory medium?

Name: Which of the following organisms would be able to extract the GREATEST percentage of oxygen from their respiratory medium?
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Question

Quizplus · Accepted Answer

Fish like salmon have gills that are highly efficient at extracting oxygen from water, allowing them to extract a greater percentage of oxygen compared to the lungs of birds and mammals.

Which of the Following Organisms Would Be Able to Extract