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Measure the heart rate of Daphnia at different temperatures
Member rating: No Rating | Words: | Submitted: Tue Apr 06 2004
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Coursework Equipment * Compound microscope, light source, and lens tissues * Animal Cell and a spare cover slip * Petri Dish base * Paint Brush * Small beaker for collecting water * Supply of ice/warm water * Thermometer. * Basis electronic calculator * Pipette Aim To measure the heart rate of Daphnia at different temperatures Method Here is a method to show how I am going to conduct my experiment. Set up a microscope with a level stage. Half fill a petri dish base with tap water. Transfer Daphnia from its culture by using paint brush and place it in the special cover slip. The daphnia is placed in a tiny plastic ring, which is attached to the cover slip. Place another cover slip on top of the cell to retain the trapped animal, unharmed. Gently turn 'sandwich' over, holding it between finger and thumb, and then placing it under the surface of water of the petri dish. Place petri dish on stage of the microscope, examine...
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