RandyB_Buskey - BIO 101C PRESENTATION SUMMARY Randy Bayas...

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BIO 101C PRESENTATION SUMMARY Randy Bayas Rb25493 24 October 2007 Ed Buskey. 17 October 2007. The Role of Environmental Hydrodynamics in Mediating Planktonic Predator-Prey Interactions. Ed Buskey studies zooplankton and in this presentation discusses predator-prey interactions between copepods and small predators. First off, it is important to know that zooplankton is an important link in the food chain. Many small animals, such as the blennys used in the experiment, feed off of zooplankton. The hypothesis that is formulated for this experiment is that turbulence will affect copepod abilities to detect predators. This experiment is done by first setting up a small tank in which a pipet is able to catch the copepods in still and turbulent water. The results for the first test is that only 5% of the copepods were captured in the still water, while 25% were captured in the turbulent water. This first experiment shows that the copepods are able to detect a “predator” at a much higher percentage in still water as compared to turbulent water.
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