Transcription of AQA, OCR, Edexcel A Level A Level Biology
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AQA, OCR, Edexcel A Level A Level Biology
Visit for more fantastic resources. Maths Made Easy Complete Tuition Ltd 2017 Level AQA, OCR, Edexcel A Level Biology Gas Exchange in Organisms Questions Name: Total Marks: /29 Visit for more fantastic resources. Maths Made Easy Complete Tuition Ltd 2017 Gas Exchange in Organisms Gas exchange is essential in organisms in order to get the necessary amount of oxygen to the cells to allow metabolic reactions to be carried out. 1. Organisms have adaptations that increase the rate of diffusion across the exchange surface. One of these adaptations is to maintain a steep concentration gradient across the exchange surface. i) Identify two other adaptations that increase the rate of diffusion. (2 marks) ii) How are the lungs adapted to maintain a steep concentration gradient?
Gas Exchange in Organisms AS BIology Questions AQA OCR Edexcel Author: Maths Made Easy Subject: A Level Biology Keywords: biology, questions, worksheets, revision, aqa, edexcel, ocr, a level, Gas Exchange Created Date: 9/28/2017 11:41:18 AM
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