That's entirely up to you. If you've a good relationship with him, or he raised you, you may still consider him that way.
Yes, he is still the father.
Yes. Legislation will vary according to country but anyone may inherit dependant on the will and testament of the deceased. If the father is not the biological father he may still be the father in the eyes of the law. Should he have legally adopted the child for instance.
No
check your birth certificate and then check his. now if your wondering if you are adopted i don't know but he is still legally your father
In the event the step father is deceased, yes. But, you will need a copy of the death certificate showing that he is in fact deceased. Also you will need to know if he had a will that willed the property to someone else.
If you live in the US, the fact that he changed his name is irrelevant. Since you adopted him, you are the legal father and as such are responsible for child support for as long as the court has ordered.
It's likely that the father will still owe support until/unless the child is adopted. see links
No, His mother is African American and his Father who was puerto Rican died when he was 2. His father's family still lives in Puerto Rico.
Only if the child is still under 18.
A flower
Yes. in many cases it is a requirement of law that the spouse gets a life interest in the property. The property probably became your father's without any need for an estate, as the survivor.
Yes, he is still the father. If you were married to the boyfriend and he adopted the baby you would still have to get the father to sign away his rights.