respond to changes in the environment move from place to place to survive store fat for the winter compete with other animals for food
I gave my students this multiple choice question: The fur of some animals becomes thicker in the winter and is shed in the spring. These observations show how animals

Only one answer is correct among these 4 choices:
- respond to changes in the environment
- move from place to place to survive
- store fat for the winter
- compete with other animals for food

Could you tell me which one is correct?

respond to changes in the environment