- A behavior is a kind of characteristic
- Using tools is a learned characteristic
- Hence, using tools is a kind of learned behavior

- Using tools is a kind of learned behavior
- An example of using tools is a chimpanzee digging for insects with a stick
- Hence, a chimpanzee digging for insects with a stick is a kind of learned behavior

So, a chimpanzee digging for insects with a stick is a kind of learned behavior
[Question]Which is a learned behavior?
[Context]- A behavior is a kind of characteristic 
- Using tools is a learned characteristic 
- An example of using tools is a chimpanzee digging for insects with a stick