* Lions are organisms, not a process. Natural selection and selective breeding are processes that act *on* organisms, not the organisms themselves.
* Lions are subject to natural selection. Natural selection is the process where organisms with traits better suited to their environment are more likely to survive and reproduce. In the case of lions:
* Stronger, faster, and more cunning lions are more likely to catch prey and survive.
* Lions with better social skills are more likely to succeed in their prides and reproduce.
* Lions are not directly subject to selective breeding. Selective breeding is a process humans use to intentionally breed organisms with desired traits. While we keep lions in zoos and sometimes breed them in captivity, this is primarily for conservation and educational purposes, not to produce lions with specific traits for human benefit.
In short: Lions are a species that has been shaped by natural selection over millions of years. Humans may influence their populations in captivity, but we do not selectively breed them in the way we do with domestic animals like dogs or cows.