The issue focused on nature vs nurture has become quite crowded with lots of confusion about what exactly are those differences and how they differ from ones found in humans and animals. Do these differences apply to humans as well as animals? Yes they do. Do they explain why humans have complex behaviors as opposed to simpler behaviors such as jumping up on your toy cat or sticking your tongue out at your mouse? Yes they do. Do they explain why humans do less math than mice or cats or horses or elephants or seals or dolphins or