Experiment 4 - Claren Thomas Plant Science Don Lee...

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Claren Thomas Plant Science Don Lee Experiment 4 Write-Up Title: Testing the concept of Gravitropism Author: Claren Thomas, student in Plant Science 131 at University of Nebraska Introduction and Hypothesis: Gravitropism is the turning or growth of a plant in response to a gravitational pull. The roots grow in the direction with the gravitational pull resulting in the crooked growth of the plant and stem. The stems will grow away from the roots. The experiment was performed to test whether gravitropism will affect plants. Our hypothesis is that if we lay the cup on its side then the plant will grow out of the cup towards the light source. Materials and Methods: To perform this experiment we need the following materials. We need four pieces of yellow corn, enough vermiculate to fill 1 8oz cup. Fill the cups ¾ full put the seeds in the vermiculate and cover the seeds with enough vermiculate to fill the cup full of vermiculate. Then we poked holes in the bottom of the cup and water using distilled
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This note was uploaded on 04/19/2008 for the course ANTHROPOLO 212 taught by Professor Haymes during the Spring '07 term at UNL.

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Experiment 4 - Claren Thomas Plant Science Don Lee...

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