The system of food chain in the sea

The system of food chain in the sea - the large number of...

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Munenori, Yogi 1M060601-9 yogi-yogi@akane.waseda.jp The system of food chain in the sea Below is the diagram which shows the food chain in the sea. When there are a large number of small fishes in the sea, the number of bigger fishes increases because there is large amount of food for them to live on. However, in return, since the large number of bigger fishes eats the small fishes in the great amount, the number of small fishes will decrease. Therefore, it can be said that this is an example of negative feedback loop. The left side of the diagram shows the relationship between the number of plankton and
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Unformatted text preview: the large number of small fishes. Since the large number of small fishes lives on planktons, the number of planktons will decrease. In return, because of decreased number of planktons, the number of small fishes will decrease because there are small amount of food for them. Therefore, it can be said that this is an example of positive feedback loop. Eventually, these two positive and negative feedbacks work to reduce the number of small fishes to the normal situation....
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