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Daphnia are the organisms that are involved in this experiment to find out what effect alcohol has on their heartbeat.
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INTRODUCTION Daphnia are the organisms that are involved in this experiment to find out what effect alcohol has on their heartbeat. It is easy to study the effects of alcohol on the heart of Daphnia as the organ can be easily seen through the transparent body of Daphnia. The number of heartbeats may be counted before submersion in alcohol and after submersion in alcohol to investigate the effect of alcohol. Daphnia belong to the Phylum Arthropoda and are Branchiopoda which belong to the class, Crustacea. Daphnia are invertebrates and also have an exoskeleton, jointed appendages, a dorsal heart and open blood system. The effect of alcohol on humans is that it slows down the heartbeat, so it may be that alcohol will have the same effect on Daphnia. WHY??? However, it is possible that the heartbeat of Daphnia may not decrease if submerged in alcohol. This is because Daphnia differ to humans...
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