Strange Days on Planet Earth - Troubled Waters Video Notes
1. What did Hayes discover about the N. Leopard frog?
2. What is Atrazine and how does it move into the frog’s territory?
3. How does it affect the frogs’ reproductive system (give the hormonal anomaly)?
4. What is the conclusion of Hayes’ experiment?
St. Lawrence Marine Park, Canada:
5. What has happened to the beluga whales?
6. How are the whales’ immune cells affected by the chemicals?
7. What is meant by a chemical cocktail?
Columbia, Mo. U.S.A. Shanna Swan, Epidemiologist
8. What is the evidence of chemicals on humans?
Women:
Men:
9. Explain her detective story.
10. Besides the low semen quality, what do all of these men share?
Solutions: Lake Harwell, Georgia, Geneticist, Richard Meagher
11. Discuss the mercury contamination in the lake.
12. Which form of mercury it the most toxic?
13. How can we use plants to deal with heavy metals?
14. Bacteria can handle doses of methyl mercury. So how did Meagher use bacteria and plants to extract methyl
mercury from the water?
Queensland, Australia, Vince Vitale, Sugar Cane Farmer:
15. Many “cides”, nitrogen fertilizer and animal manure wash into the river that empties into the sea. This is
suspected for the cause of an outbreak of _________________________________________
that destroys corals of the Great Barrier Reef.
16. Explain the nitrogen theory.
17. In 1880 what was the protective barrier that prevented the runoff from flowing to the sea?
18. What did a farmer like Vitale do to help restore the Great Barrier Reef?
Eastern Pacific Ocean, Teraney Thys, Ocean Biologist
19. Where are the open ocean animals getting exposed to toxins?
20. What are people doing to help these open ocean animals?
21. What is the toxic burden for the next generation?
Use your text and/or internet research to define the following terms and give examples from the video, Troubled
Waters.
1. Bioindicator
2. Bioaccumulation
3. Biomagnification
4. Bioremediation