Ant lab BIO 206L - Nguyen 1 Chemical Messaging in the...

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Nguyen 1 Chemical Messaging in the Harvester Ant Tommy Nguyen Bio 206L, Spring 07 04/24/07
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Nguyen 2 Chemical messaging of the Harvester Ant Harvester ants use chemical messages as means of communicating with one another. The certain types of messengers used in this lab are called pheromones. Pheromones function as sex attractants as well as a means for identifying the members of a colony or caste. These messengers are very useful in this lab because they can be used to test how the ants’ behavior will be toward pheromone scented areas. This report will examine the steps taken to perform an experiment and test a hypothesis on nest recognition in the harvester ant. In performing this experiment, certain precautions were made to make certain that data is accurate and correct. The methods and materials used ensured that the data received were not due to mistakes in measurements. The hypothesis was that harvester ants can recognize their own nest compare to foreign soil and non-nest soil. This lab was going to prove whether or not the data received from the experiment would be statistically significant and whether the hypothesis can be rejected or not. The results showed that ants did recognize their own soil over non-nest soil, but not over foreign soil. This was unexpected because we believed that the ants would recognize their own soil over non-nest soil and foreign soil. We concluded that these results were due to some behaviors of ants that react over other behaviors like the ant trying to escape over trying to recognize its own soil and stay there.
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Nguyen 3 Introduction This lab introduced many techniques used in past labs as well as new techniques to determine the ants’ preference to different types of soil. The main purpose of these techniques was to gather the required data to solve a hypothesis in the most efficient manner possible. The more precise the data is the less error of significance there will be leading to the results. Repeating the same experiment multiple times was also necessary because we could take the
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This note was uploaded on 03/20/2008 for the course BIO 206L taught by Professor Unknown during the Spring '08 term at University of Texas at Austin.

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Ant lab BIO 206L - Nguyen 1 Chemical Messaging in the...

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