The
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How
Plants Feed Reference chapter
Question
1 The following experiment was set up to investigate how a pondweed breathes in the light and in the dark.
Note: The carbon dioxide indicator is a
coloured liquid which does not harm the plant. It can have three colours:
At the beginning of the experiment the
carbon dioxide indicator was red. All three tubes were left in the light for a
few hours. Then the colour of the indicator liquid was recorded.
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© Paul Billiet, Shirley Burchill 2008 |
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