What are the similarities and differences between a polar bear and a Labrador retriever in terms of their physical characteristics and habitats?

Both polar bears and Labrador retrievers are mammals with fur, four legs, and sharp teeth. However, polar bears have thick white fur and are adapted to cold Arctic habitats, while Labrador retrievers have shorter fur and are commonly found in temperate climates as domestic pets. Polar bears are Excellent swimmers and rely on sea ice for hunting seals, while Labrador retrievers are known for their friendly and playful nature as companion animals.