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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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