Name ______________________________ Class ___________________ Date __________________
Quick Lab
Photosynthetic Rate
Changes in a plant’s surroundings influence photosynthetic rate. The two graphs
illustrate how photosynthetic rate responds to changes in light intensity and
temperature. Use the graphs to answer the following questions.
Analysis
1. Describe how increasing light intensity affects the rate of photosynthesis.
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2. Explain whether continuing to increase light intensity will increase the rate of
photosynthesis.
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3. Describe how increasing temperature affects the rate of photosynthesis.
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4. Critical Thinking Inferring Relationships Explain how a global
temperature increase could affect plants.
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Holt Biology
1
Photosynthesis and Cellular Respiration