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Ocean Environmental Art Workshop - Angela Rossen

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Mussels are filter feeders which<br />

means they sieve nutrients out of the<br />

water as it flows past. Because of<br />

their simple digestive system they<br />

tend to accumulate heavy metal<br />

poisons that are in the water.<br />

Mussels near industrial places like<br />

harbours are tested for this.

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