a thicker neck and longer tail a larger mouth and stronger jaws an increase in fur and fat an increase in height and speed
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: If the climate in an area changed over time to become very cold, which change would most likely help a species living there to survive?
Possibilities:
- a thicker neck and longer tail
- a larger mouth and stronger jaws
- an increase in fur and fat
- an increase in height and speed

an increase in fur and fat