Genesis Ch. 30, V. 32:
Let me pass through all your flock today,
removing from there all the speckled and spotted sheep,
and all the brown ones among the lambs,
and the spotted and speckled among the goats"
Jacob evidently understood evolution theory much better than Laban.
My cat is very well trained.

She knows how to pee for people.
The tendency to mess around with one's droppings or urine
is very common in nature.
Nevertheless, cats don't really do That in nature.
This trait is human created.
By ever so slightly being different in litter habits then other cats,
and having been carefully selected for the virtue of cleanliness,
over many generations, a habit was formed in the genes.
domestication
Habit Use and Disuse
Walk Like an Egyptian