The experiment on the effect of alcohol on the heart rate of Daphnia was done in Richland college lab. The purpose was to see how 1% , 3%, and 5% of alcohol concentration affects the heart rate of the Daphnia per minute. The hypotese being tested in this investigation is, The increase of alcohol in bloodstream decreases the heart rate per minute. The prediction was that the Daphnia heart will decrease and will eventually stop when it is exposed to the 5% of alcohol. Before the Daphnia was exposed to any Alcohol, it had the heart rate of 135 bpm on distilled water.
After the measurement of the heart beat in the water, the water was removed by using a kimwipe and at the same time replaced