Mating process and reproduction exceptions

The intercourse process is an integral part of the life of every organism, and this process is seen almost the same in all the organisms, whether it is a small organism, but some organisms, in which the process is in some different way, such as peacock its The biggest example is. And after this, the pregnancy process can also be seen separately in some organisms, as those who have ears, they produce children and those who do not have ears, they give eggs. But in some places these exceptions can be seen.