To Know A Fly – Four Levels of Interactions | Flax-Golden Tales
To Know A Fly – Vincent Dethier, USA
To do experiment in anything, we should pay great attention in objects or things. Otherwise, our conclusion does not get reality. As in example, a scientist thought that a person’s house fell down because of the earth quake but the earthquake survivor claimed that the house fell down because he pulled down the window shade and if he had not pulled down it, the house would not have fallen down. So, a scientist, to draw a conclusion from evens, he should know the whole condition and from the part, he should not generalize the whole events. If a scientist wants to know whether a fly tastes by his leg or proboscis, he should do experiment properly.
Though the fly does not taste food with tongue awe human being does, it has the greater power of tasting things than us. It is never fooled by artificial sweet. If its feet touch salty water and chilly water, it will not lower his feet. That’s why the fly’s feet are so sensitive and so powerful taster in comparison with his mouth. The writer’s friend had a great interest in studying fly’s stomach. He experiments it by touching his mouth with dye. Later on, while studying its stomach, he got colorful stomach. This finding clearly tells us that fly tastes with feet but not by mouth. If it could taste the things by its mouth, it would not take dye and would not make its stomach colorful.
This essay tells us that we should not draw conclusion observing minor or part things. To get the conclusion, we should pay great attention in whole ideas and we should also understand the nature of objects. If we made the hasty conclusion, our conclusion does not get real. While drawing the conclusion, scientists may make several mistakes. To avoid our wring conclusion, it is essential to have patience, keen observation and research on the object in which we are going to make experimentation. In the text, to know whether the fly tastes by mouth or leg, there has been done much experimentation and finally has been reached in the conclusion that a fly tastes with its legs.
It is based on scientific research and tells us to pay great attention to objects or things to draw a conclusion. Otherwise hasty observation and analysis cannot give reality. Personally, I do not see many unacceptable ideas expressed by the essayist but in one level doubt and want to ask questions. Will not a thirst delete fly touch water? Can he really make differences between sugar and salt food?
Before reading this essay, I have thought that a fly tastes food with its tongue. Now my false ideas vanished and I also got the lesson that we cannot be mastery in everything. So from our hypothesis, we should not straightly draw the conclusion. To know realistically, we should make a keen observation, experiments, and analysis. Otherwise, we can do mistake even in the minor thing if we draw a conclusion from the part. For example, all the animals and human beings taste food with the help their tongue but it does not mean that insects also do the same. Naturally, they are different from us and animals. So they have the different organ to taste food. For example, a fly tastes with its legs.
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