How do polar bears maintain homeostasis in freezing cold weather? (1 point)

Question

Responses

Their thick fur retains heat.
Their thick fur retains heat.

Their thick skin insulates the internal organs against the cold.
Their thick skin insulates the internal organs against the cold.

Their metabolism slows down to preserve heat.
Their metabolism slows down to preserve heat.

Their metabolism speeds up to produce heat.

Answer 1

Their metabolism speeds up to produce heat.