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Estuaries contain a diverse array of plant and animal life. The makeup of all estuaries is not the same because some areas of an estuary may contain more fresh water than others, while other areas may contain more salt water. The pattern of salinity is crucial to the diversity of organisms that live in an estuary. https://mi01000971.schoolwires.net/cms/lib05/MI01000971/Centricity/Domain/2027/Biodiversity%20in%20Estuaries.pdf
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