- A covering can be used as a kind of protection against cold weather
- Fur is a covering around the body of an animal
- Hence, thick fur can be used for keeping warm

- An animal is a kind of living thing
- If a living thing becomes too cold then that living thing will die
- Therefore, if an animal becomes too cold then that animal will die

- If an animal becomes too cold then that animal will die
- Keeping warm is the opposite of becoming cold
- Therefore, an animal requires warmth for survival

- An animal requires warmth for survival
- If the environmental temperature is too cold then an animal in that environment may become cold
- Hence, an animal requires warmth for survival in a cold environment

- Thick fur can be used for keeping warm
- An animal requires warmth for survival in a cold environment
- So, thick fur is used for survival in a cold environment by keeping warm

- Thick fur is used for survival in a cold environment by keeping warm
- The arctic environment usually is cold in temperature from being at a northern lattitude
- So, thick fur is used for survival in an arctic environment by keeping warm

Therefore, thick fur is used for survival in an arctic environment by keeping warm
Q: Which characteristic would best help a land animal survive in a cold Arctic climate?
Context:
- A covering can be used as a kind of protection against cold weather 
- If the environmental temperature is too cold then an animal in that environment may become cold 
- Keeping warm is the opposite of becoming cold 
- An animal is a kind of living thing 
- If a living thing becomes too cold then that living thing will die 
- The arctic environment usually is cold in temperature from being at a northern lattitude 
- Fur is a covering around the body of an animal