News tagged with food chains

Sharks contain more pollutants than polar bears

The polar bear is known for having alarmingly high concentrations of PCB and other pollutants. But researchers have discovered that Greenland sharks store even more of these contaminants in their bodies.

dateApr 15, 2014 in Ecology
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Demon shrimp threaten British species

A species of shrimp, dubbed the 'demon shrimp,' which was previously unknown in British waters, are attacking and eating native shrimp and disrupting the food chain in some of our rivers and lakes. The problem is contributing ...

dateFeb 11, 2014 in Ecology
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