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Biology 16 Online
OpenStudy (lexilove13):

3. An organism might rely on the diffusion of oxygen and carbon dioxide through their outer body covering if it is (1 point) a. thin and lives on land b. small and lives in water c. protected by a shell d. a vertebrate chordate

OpenStudy (lexilove13):

@.Sam.

OpenStudy (cagliero423):

did you ever get the answer?

OpenStudy (anonymous):

the answer is b

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