Watch how this video montage of our embryonic development goes through all your favorite humanoids ... fish-people at 0:08 ... lizard-people at 0:18 ... then dog- and pig-faced people around 0:21 to 0:23.
Or that - building on a teleological folk-conception of evolution where human form and intelligence are the obvious goal of the whole process - an even more devious procedure would prolong the gestation of animals to the point where they take on human morphology?
The monsters, they are us.
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