EXERCISE 34–3 The semicolon and the comma
Example:

If an animal does something, we call it instinct; if we do the same thing, we call it intelligence.—Will Cuppy

If an animal does something, we call it instinct, if we do the same thing, we call it intelligence.—Will Cuppy

The first sentence correctly uses a semicolon to separate two independent clauses.

For more help, see section 34a.