Bio/dad gone 11yrs. We need closure to move on.

Originally Posted By Marie/LarryMy husband and I have been married 12yrs. My husband wants to adopt my son he has raised him since he was 2yrs old. My son's biological father got visitation rights but he only showed up once to pick up my son.My son remembers it all, my son wants his named changed he is always being asked why his last name is different than his family, he is 13yrs old now. Is my son old enough to give consent? How can we get this started? So we can have closure, so we can move on.