The polar bear tops the food chain. September sea ice — the ... But even then, the Arctic’s vast and unique ecosystem would be a tiny fraction of its former glory — and ultimately, the ...

All organisms in an ecosystem depend on each other. Food chains show the flow of energy from one organism to another. Food chains show the feeding relationships between organisms. Food webs show ...

A new method of tracking the dietary habits and contaminant exposure of animals in Arctic marine ecosystems is providing ... are at a higher level in the food chain and carry significantly more ...

Learn more about ecosystems and how they work ... plants are connected in different food chains. Food chain challenge - Tundra Explore the Arctic tundra and find out how the animals and plants ...