OK, Spendi,
Basic Morality-- Mothers do not normally eat their babies. Neither do other species that the young of require nuturing. This is despite the fact that the young are a lot of trouble and would taste good.
The abandonment of children is also considered immoral. Other nuturing species don't do it either.
How is consanguinity immoral? Because it affects the survival of the next generation.
How is adultery immoral? Again it affects the survival of the next generation, whereas polygamy or polyandry in some economic situations may improve the survival of the next generation.
How is lieing to members of your society immoral? It isn't considered immoral to lie to members of competing societies. Then it's called diplomacy. but lieing to your family or group is immoral. This is simply because it will affect the survival of the group (society)
You will find all honest or real morality is aimed at insuring the survival of the species or group. Most dishonest or religious morality is aimed at acquiring and preserving a privileged position. Some of it is simply used as glue to hold a society together, or to provide a recognition mechanism.
Mennonite women wear little caps, Amishmen wear pants without zippers. Goats put urine on their heads, Dogs smell under their tails. Just recognition rituals. All species have them, and probably all societies.
As I said, it doesn't take a rocket scientist or God to tell me why it's not a good idea for me to marry my cousin-brother-father-mother. Nor lie to my kids, nor sleep with the neighbors wife, nor steal from my society.
You see damaging my society in any way damages the next generation.
That's the quick lesson on morality as an evolutionary necessity for a social animal.
Do you need to know the mechanisms that have evolved to reduce consanguity in other animals? Naturally they have them. Our are different simply because of our intelligence. I doubt that a grizzly bear would be much impressed if his father told him not to breed his sister. A bit past his ability to understand. I doubt that a preacher would do much better explaining to him either :wink: But the male grizzllies that didn't roam left fewer descendents. Most male bears use the process of roaming large territories in order to minimize inbreeding. By the time his daughter or sister is ready to breed he is likley to be miles away. Beavers and horses also use a similar system.
Many pages ago I remarked that human societies, once formed, acted much the same as a species, with similar requirements. These requirements could easily have been seen by Darwin had he chose to look at human social constructions.
I'd keep quiet but the abuses of humans by those who place artificial and imaginary distinctions on them are simply too awful for a practical person to contemplate silently
Remember that If I don't accept Jesus as my Lord and Savior I will not get to heaven. How much more abusive can you get than to deny a paradise to a fairly decent human

IMO natch
The morality mechanisms exist. They differ only in the equipment that each animal has. Since even a beaver has some I'd expect to find some in humans. And I do