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Bioaccumulation

Bioaccumulation

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Author: Hilary McNeill
Description:

CCSS.ELA.HS.RST.Lit.7: Translate quantitative or technical information expressed in words in a text into visual form (e.g., a table or chart) and translate information expressed visually or mathematically (e.g., in an equation) into words.

NGSS.MS-LS2-2. Construct an explanation that predicts patterns of interactions among organisms across multiple ecosystems.

NGSS.MS-LS2-4. Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations

NGSS.MS-LS2-3. Develop a model to describe the cycling of matter and flow of energy among living and nonliving parts of an ecosystem.

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Tutorial

Silent Spring

DDT Newscast in the wake of Rachel Carson's publication of "Silent Spring"

Food Webs & Bioaccumultaion

Go to http://education.nationalgeographic.com/encyclopedia/food-web/ and read the entire encyclopedia entry.

Big Question

After reading both articles and watching the video, think about what we have learned about food webs in relation to what you have just learned about bioaccumulation. 

Create a food web showing the path of DDT through an ecosystem.  Make sure to include producers, primary, secondary, and tertiary consumers as well as aquatic and terrestrial species and show the path of DDT through the ecosystem.  Write up one paragraph (250 words) summarizing what you learned about the relationship between DDT, bioaccumulation, and food webs.