本题目来源于试卷: SL/HL Topic C1.3 Photosynthesis,类别为 IB生物学
[问答题]
b. For one of the limiting factors t 8/osad43 kejdhat you have l9uyh*p a +z:kol7o u.1pno+omp5 u ok) b*sg4cisted, outline how you would manipulate the variables to carry out the inao :79u5) s z p po4*gnkokohou++1cl*bmpuy.vestigation.
参考答案: Repeat the experiment each time with a different value of the test variable. (e.g. the sodium hydrogen carbonate concentration for carbon dioxide/ the temperature of the water bath/the distance or intensity of the light source/ use of filters on the light source. (1 mark). Include a wide enough range of values to show the effect of differences. (1 mark)
Keep the other variables constant. (1 mark)
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