2. Imagine that you are conducting an experiment that compares the effects of drought on photosynthesis...

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Biology

2. Imagine that you are conducting an experiment thatcompares the effects of drought on photosynthesis in two species inthe family Ericaceae: Vaccinium parvifolium (redhuckleberry) and Vaccinium oxycoccos (small cranberry),both native to Oregon.
What methods (name 2) could you use to measurewater stress or availability in thisexperiment?
Why might you need to know if these plants haveeither C3 or C4 photosynthesis? Explain.
Design a greenhouse experiment that would allow youto address competition between these two species and the effects ofdrought. Be specific about your hypothesis, design and whatvariables you would measure.

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3.6 Ratings (626 Votes)

a We could measure water stress by these two paths 1 Measure atmosferic O2 concentration changes because effective photosynthesis produces it and photorespiration depletes it 2 Measuring atmosferic CO2 concentration changes because effective photosynthesis depletes it and photorespiration produces it b Because C4 is a specialized photosynthetic metabolism that works to prevent See Answer

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