One of the issues with teaching evolution is the brain-dead treatment that it has in films and television.
No, if you start with cellular life you will not get to humans every time. You can't even be sure you will get to fish or other animals with internal skeletons.
So many random things can be different at each step of the chain and there are so many steps, millions of them.
No, if you start with cellular life you will not get to humans every time. You can't even be sure you will get to fish or other animals with internal skeletons.
So many random things can be different at each step of the chain and there are so many steps, millions of them.