TUNA FOR LUNCH A CASE STUDY EXAMINING MERCURY BIOACCUMULATION AND BIOMAGNIFICATION ANSWER KEY

Define biomagnification and explain how it leads to higher concentrations of toxins in animals that are higher up the food chain. Explore how biomagnification occurs in other systems and with other compounds if students complete optional final activity. Return to the homepage. Please see our usage guidelines , which outline our policy concerning permissible reproduction of this work. You might include the politics and economics of controlling mercury pollution as another component to your case history. Teaching notes are intended to help teachers select and adopt a case. Teaching Notes Case teaching notes are password-protected and access to them is limited to paid subscribed instructors.

Explain why there are fish consumption advisories related to mercury. The CDC has estimated that as many as , newborns are at risk from methyl mercury from the fish consumed. Teaching Notes Case teaching notes are password-protected and access to them is limited to paid subscribed instructors. Read, interpret, and apply scientific data presented in graphs and tables for this case study. Additional information you might find useful:

You might include the politics and economics of controlling mercury pollution as another component to your case history.

tuna for lunch a case study examining mercury bioaccumulation and biomagnification answer key

The ongoing National Health and Nutrition Examination Survey indicate that people living in coastal areas have higher levels of luncn in their blood than individuals living elsewhere.

Biomagnification; bioaccumulation; mercury; neurotoxin; fish consumption; tuna; food chain; food web; trophic; coal-burning. This case examines mercury ansaer and biomagnification within the context of the human health impacts of ingesting food specifically, fish contaminated with mercury. As a former high ffor environmental science teacher and college professor biochemistI found your case history very relevant to the dangers of mercury pollution. Mercury in Fish Power Point.

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They typically include a summary of the case, teaching objectives, information about the intended audience, details about how the case may be taught, and a list of references and resources.

Please see our usage guidelineswhich outline our policy concerning permissible reproduction of this work.

Explain how mercury enters and moves through the environment. The case is intended to help students make the connection between an environmental contaminant mercury, a neurotoxin and the food they eat.

Tuna for Lunch? – National Center for Case Study Teaching in Science

It dtudy be used as an extra credit project to further understand how science and politics interact with each other in the real world. Explain why there are fish consumption advisories related to mercury. Teaching Notes Case teaching notes are password-protected and access to them is limited to paid subscribed instructors. Human activities have been increasing mercury concentrations globally, examjning coal-burning power plants are the most common source of mercury pollution, a fact many students are unaware of.

It was inspired by a USGS report on mercury in fish, sediment, and water from streams across the U. Additional information you might find useful: Teaching notes are intended to help teachers select and adopt a case.

tuna for lunch a case study examining mercury bioaccumulation and biomagnification answer key

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tuna for lunch a case study examining mercury bioaccumulation and biomagnification answer key

Explore how biomagnification occurs in other systems and with other compounds if students complete optional final activity. Define biomagnification and explain how it leads to higher concentrations of toxins in animals that are higher up the food chain. Read, interpret, stidy apply scientific data presented in graphs and tables for this case study.

Tuna for Lunch?

Return to the homepage. Website supported by the University at Buffalo Libraries. The case has been used in an introductory level environmental science class predominantly non-majorsa non-majors general biology class, and a sophomore level ecology class majors. The California gold rush over one hundred years ago used mercury to mine for gold and today mercury is still contaminating rivers and lakes in those mining areas.

Answer Key Answer keys for the cases in our collection are password-protected and access to them is limited to paid subscribed instructors. There is a very urgent need to get this information into the hands of the next generation of citizens.

Check out the www. The CDC has estimated that as many asnewborns are at risk from methyl mercury from the fish consumed.