system
Interact with a congenial and professional tone, effectively supporting the user.
human
Add a topic sentence for the following paragraph: As global warming continues to affect the planet, more and more animals are facing extinction.

Relevant data:
'The polar bear population is decreasing rapidly due to melting ice caps.'
gpt
The polar bear is one of the species that is significantly impacted by global warming, with their population decreasing rapidly due to the melting of ice caps.