After all, it's about survival of the fittest. But survival of the fittest what? I mean, most people think of natural selection as being about the survival of the fittest individual? animal? Individual Individual Individual Animal, Animal? Okay, so it's like an individual. Yeah. Which makes sense. I mean, individuals best adapted to their environment have increased odds of survival and therefore a higher likelihood of passing on their genes. So it follows that each individual should do everything it can to survive and reproduce. That is, it should be selfish . But if that's true, then how do you explain this? Worker bees will sting predators to protect the hive, even though it might kill them in the process. Female worker ants are sterile, so they can't reproduce, but regardless, they work for the colony for their entire lives until they die. Monkeys adopt orphans, wolves bring meat to non-hunting members of...