Most everyone agrees that Darwinian evolution works well when each small step along an evolutionary pathway provides a survival advantage.
Let’s assume that a primordial sea filled with life’s building blocks did exist on the early Earth, and somehow it formed proteins and other complex organic molecules.
“There are no weaknesses in the theory of evolution.”
In recent years, biologists have tried to explain human moral, intellectual, and religious capacities in terms of Darwinian evolution.
Of course there are many other problems with biological and chemical evolution, but these are some important ones that come up often.