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Description:The objective of this Texas Estuary Food Web Jenga lesson plan for students in Grades 6-12 is to: • Understand the difference between a food chain and a food web • Understand what ecosystems, food chains and food webs are • Understand that humans are part of ecosystems and food webs • Connect human actions with changes in the ecosystem. This Food Web Jenga Lesson Plan is adopted from New Jersey Sea Grant's Education Program (njseagrant.org). Overview for teachers: This lesson plan models an estuarine food web, and the effect human impacts can and could have on the health of the system at various trophic levels. Student’s will discover the many problems estuaries face today and how important estuaries are. Some impacts included are already having a negative effect on estuarine foods webs such as excess use of fertilizers. During major storm events, excess fertilizers will run off into the estuary causing eutrophicationof water resulting in excessive algal blooms that can cause hypoxia resulting in fish kills. Actions people can take to prevent possible impacts from becoming problems are included as it is important to realize once an impact becomes a problem and populations and biodiversity declines, it is more difficult to stop or reverse the damage than to prevent a problem in the first place. We can make a difference by handling problems before they get worse, and the future depends on decisions and plans we make today.
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Sea Grant Document Number:TAMU-E-20-002
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Rights Information:Public Domain
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