A new method of tracking the dietary habits and contaminant exposure of animals in Arctic marine ecosystems is providing ...

The polar bear tops the food chain. September sea ice — the ... tundra shrubs grow taller and the Arctic becomes greener. Animals once unable to survive in the polar extremes are now invading ...

These animals rely ... effect through the food chain. When these foundational elements of the ecosystem are destabilized, it impacts the entire web of life in the Arctic. The Arctic oceans are ...

Explore the African savannah and find out how the animals and plants are connected in different food chains. Food chain challenge - Tundra Explore the Arctic tundra and find out how the animals ...