Polar bears in Arctic ecosystems hunt and eat seals as a primary food source. Seals live on Arctic sea ice.
polar bears walking on sea ice
The availability of seals is a limiting factor for a certain population of polar bears. If Arctic sea ice in this ecosystem begins to melt, what will most likely happen to this polar bear population?
A.
It will stay the same because polar bears can live without food for long periods of time.
B.
It will decrease because the polar bears will be unable to catch seals for food.
C.
It will increase because the polar bears will swim to find food instead.
D.
It will stay the same because the polar bears can use other food sources