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Unformatted text preview: 3/31/08 The Effects of Established Dominance in the Feeding Patterns of the Common Cricket, Gryllus domesticus PURPOSE: The purpose of this lab was to observe how crickets establish relative dominance in a confined location, and to see how this dominance affects their eating habits when food is introduced into the location. HYPOTHESIS : The ranking dominance established by the crickets in the container will be maintained during feeding, with the relatively more dominant crickets eating first, then allowing the next cricket a chance to eat. METHODS : Students began this lab by collecting 4 female crickets, so that gender was controlled, and marked them each with different color paint before placing them in a small cage for experimentation. This first part of this lab was spent observing and taking notes on the behavioral patterns, and analyzing these patterns to determine if dominance was indeed being established. Notes were taken on physical interactions, such as amount of aggressive behaviors (walking on...
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This note was uploaded on 04/08/2008 for the course BIO 206L taught by Professor Unknown during the Spring '08 term at University of Texas at Austin.
- Spring '08