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Film summary
Discover how mercury travels through food chains, and how its concentration multiplies along the way.Key facts
- Facts about Mercury in Food Chains, for example:
- Mercury from pollution falls into rivers and oceans as rain.
- It enters the food chain via bacteria and fish.
- It is toxic and poisons our nervous system.
Transcript
Mercury is toxic – it poisons the nervous system
Mercury in our food chain is increasing
It enters the atmosphere from pollution and enters rivers and oceans as rain
Where bacteria convert it to methylmercury – especially toxic!
Small fish eat these bacteria
Bigger fish eat many smaller fish
And the methylmercury …
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