Q: What 2 things keep polar bears warm in their arctic ecosystem?


Read this paragraph and choose the correct option from the provided answers:

Thick fur and a layer of blubber keep polar bears warm in their Arctic ecosystem. Why do you think their fur is white? Why might it be an adaptation in an Arctic biome?.

 Choices:

- hibernation, thick fur

- colourful fur , blubber

- camouflage, blubber

- thick fur, blubber


A:
thick fur, blubber