Lab 3 Worksheet - Lab 3 Worksheet Plant Transpiration Table...

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Lab 3 Worksheet: Plant Transpiration Table I: Total Amount of Water (mL) Transpired in One Hour Plant Type Normal Conditions (@21 o C) With Heater (@27 o C) With Fan (@21 o C) With Lamp (@21 o C) Arrowhead 3.6ml 6.6ml 7.5ml 4.0ml Coleus 0.9ml 3.9ml 6.0ml 3.0ml Devil’s Ivy 2.9ml 4.1ml 4.6ml 3.0ml Dieffenbachia 4.1ml 6.0ml 7.7ml 3.9ml English Ivy 1.8ml 3.2ml 5.1ml 2.1ml Geranium 1.2ml 5.8ml 4.7ml 2.4ml Rubber Plant 4.9ml 6.8ml 8.4ml 4.3ml Weeping Plant 3.3ml 4.9ml 6.1ml 2.5ml Zebra Plant 4.2ml 6.1ml 7.6ml 3.2ml Lab Questions: 1. Transpiration in plants is driven by which of the following? a. Gravity b. Capillary action c. Static electricity d. All of the above 2. Which of the following statements about stomata is true? 3. Water can be lost by a plant through which process(es)? 4. Which environmental condition in your experiments served as the control? 1
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5. In your experiments, transpiration was observed by which of the following? a. Directly measuring the amount of water leaving the leaves through transpiration. b. Directly measuring the amount of water leaving the leaves through evaporation. c. Directly measuring the amount of water absorbed through the plant sprig’s stem. d. All of the above.
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