Yixin Chen Journal 5.docx

Yixin Chen Journal 5.docx - Journal5 YixinChen...

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                                                     Journal 5 Yixin Chen                       Environmental system and ecosystem ecology part 1 Review question  1. Because most areas of Gulf of Mexican are dead zones, so there would be low  concentration of dissolved oxygen in water, which will cause the development of the  hypoxic condition. 2. Reduce nutrients addition, reduce sediment addition, control the blooms of algae 3. Ecosystem means all organisms and nonliving entities that occur and interest in a  particular area at the same time. Communities means interacting species living in the  same place. 4. The ecosystem I live is a big land. The ecotones I live in is the field between lake and  mountain. Example of species are rabbits, turtles, fishes, dogs, cats, human beings,  algae, shrimps, birds, snakes.
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