The correct answer is the letter
C. Polar regions
Polar regions are found in the Arctic and Antarctic circles. The species that are given such as the penguins, whales, and arctic foxes basically found in these areas.
Boreal forest found in the regions of the northern hemispheres with cold temperatures. It is characterized by coniferous species.
The temperate forest can be found between the tropical and boreal forests and is located in the temperate zone.