Exam (elaborations)
OCR A Level Biology- Exchange Surfaces Written Exam 2024.
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OCR A Level Biology- Exchange Surfaces Written Exam 2024. Why can't fish breathe in and out via ventilation? - CORRECT ANSWER Water is denser, more viscous and has a lower oxygen content than air, so requires too much energy to be efficiently moved by a 2-way ventilation system Do prokaryot...
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