a polar bear that has dark-colored fur a deer with long legs a rabbit that can run fast a hummingbird with a long beak
I gave my students this multiple choice question: Some animals have advantages and disadvantages because they are different. Which of the following has a disadvantage compared to other animals in its population?

Only one answer is correct among these 4 choices:
- a polar bear that has dark-colored fur
- a deer with long legs
- a rabbit that can run fast
- a hummingbird with a long beak

Could you tell me which one is correct?

a polar bear that has dark-colored fur