Your definition of wrong needs work - I require an explanation of what you classify as being "wrong" and why... and know this, I will hold your logic to see if you can live up to it!
Interesting that you bring this up, as in your response, I got the gist that you are conflating "natural" with "moral" and "unnatural" with "wrong" or "immoral".
"Rape" is wrong as it violates a person's consent and takes from that person the one thing in the world that is truly theirs and the only thing that will every be truly theirs: and that is, their bodies. It is wrong and immoral on so many levels ...
... but that does not make it "unnatural". We see many instances of what we would call "rape" in the natural world as a part of their mating processes. On the question of it being "natural", the answer is, "It is natural for some; as the propensity or desire to rape has complex psychological, environmental, and possibly genetic basis". That gives no one permission to proceed to commit this heinous act; but the fact that it is wrong, immoral and intolerable does not mean that it does not have a basis in nature; thus, it is natural.
It does for the one who is predisposed as you put it. Axiomatic belief is automatic!
Belief does not create reality. There are pedophiles who truly believe that sexual interaction between adults and children is not wrong and does not harm children when performed under certain circumstances. That "belief", no matter how strongly held by this minority of the minority, does not form the reality.
The same goes with God belief. Even if we are predisposed to believe in God, that does not make God reality; it only means that we are predisposed to believe in God.
No, they are not. They are unnatural but touted by perverse minds as natural! Did your father rape your mother for you to be born? or - was it through consent that they did the deed? Now remember - the sound mind knows that the exception can never face the rule and win!
And here, you are conflating "natural" with "moral". They are not intrinsic, one with the other.
To answer your question: Yes. My father raped my mother, who was his daughter, and that caused me to be conceived and born.
Sexual intercourse between two consenting unrelated adults is equally natural but not exclusively so. And this is the sane and moral alternative.
The actions of the man who sired me are detestable and caused lasting, excruciating harm to my poor Mamma, who never fully emotionally or psychologically recovered from her years of abuse. But the fact that his actions were intolerable, immoral, inexcusable and wrong (on so many levels) does not change the fact that his propensities and urges have naturalistic explanations; and thus those propensities and urges were natural.