Bioaccumulation & Biomagnification Project
Watch the two videos below before you complete your project:
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Project Directions:
This project has two parts:
Part A:
Part B:
Answer the following questions:
Part A:
- Explain the concept of bioaccumulation, how it works along with a real life example.
- Explain the concept of biomagnification, how it works along with a real life example.
Part B:
Answer the following questions:
- How does or has DDT entered the food chain/web?
- Which organisms are at the greatest risk with DDT, those on lower or high trophic levels in the food chain, explain.
- Why might DDT be a concern in Canada today when it was banned decades ago.
- Why was there a spike in pesticide resistant pests in the 1950's
- Using a diagram and numbers/calculations to show how DDT or other persistent pesticides increase in concentration levels as they travel through a food chain/web.