ancestries come from DNA, what gives DNA shape and form is geographically specific to evolving while occupying space for the time they had conceived to decomposed.
Food chain varies by climate, geological landscape, vegetation, food chain to region between equator and polar ends of the planet's axis rotating, being orbited by the moon, both revolving as a fixed 3rd from a star planetary displacement of one planet, in one solar system, one galaxy, one universal constant of series parallel displacements.
thermodynamics principles and you sit there being a principal denier. karma bitch, your reality is debunked and only thing keeping it going are those corrupted enough to never change their minds. Like you.