centuries of gradual climate change catastrophic destruction of habitat rapid and profound climate change immediate loss of primary food source
I gave my students this multiple choice question: In which scenario below would natural selection most likely occur?

Only one answer is correct among these 4 choices:
- centuries of gradual climate change
- catastrophic destruction of habitat
- rapid and profound climate change
- immediate loss of primary food source

Could you tell me which one is correct?

centuries of gradual climate change