Re-order paragraphs

d) The largest bear in the world and the Arctic's top predator, polar bears are a powerful symbol of the strength and endurance of the Arctic.

a) Its Latin name, Ursus maritimus, means "sea bear."

b) It's an apt name for this majestic species, which spends much of its life on the ocean, predominantly on the sea ice.

c) But because of the ongoing loss of their sea ice habitat resulting from climate change, polar bears were listed as a threatened species in May 2008.