zLAB 9 - The Effects of Established Dominance in the...

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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. 
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