The term 'impala' is associated with which of the following?

The term 'impala' specifically refers to a species of antelope native to Africa, celebrated for its impressive leaping ability. This animal is known for making high, graceful jumps when evading predators, which makes it a symbol of agility and speed in the animal kingdom. The association with the antelope is well-documented in both ecological and cultural contexts, highlighting its importance in various African ecosystems and wildlife narratives.

The other options do not relate to 'impala'; they represent different concepts entirely, which clarifies why 'B' is the correct choice. While intense emotion, financial instability, and warmth can describe human states or experiences, they do not connect to the biological or zoological definition of 'impala.'