Nope. It doesn't explain it, because it isn't a necessary consequence. A theory can only explain something if that something necessarily follows from the theory and other possibilities are excluded. You can't exclude other possibilities when you invoke a god, because a god could do whatever it wanted.
Darwinian mechanisms could do
whatever it wanted.
Darwinism does not predict a nested hierarchy and has no parameters.
a. For one, anything can can evolve anything. There is no predictable outcome in a random mutation in Darwinism.
b. Any ancestor is applicable to any line. If fish came from a parrot it will be classified not, with a parrot as an ancestor but with the organism it shares the most characteristics with (fish). Then an ancestor will be chosen accordingly.
c. Any constraint that supposedly developed is abolished due to the uncontainable Darwinian ability to group organisms anywhere.
With these three parameters, anything goes. There is no constraint. Furthermore, the creative process has to be stopped so that demarcation lines can be drawn.
For the purpose of this discussion I will assume that by hierarchy you mean a holarchy. They are generally the same but slightly different and you people seem to jump freely between the two without notice. To note,
Hierarchies and Holarchies
The trinity is comprised of three parts which are distinct yet one. Your hand and your foot are distinct yet they are one insofar I'm referring to you, the aggregate of all your features.
The trinity sounds like,
Which is basically,
The tripartite nature of man is the same thing with, in its basic form, the spirit transcending the yet containing the soul, the soul transcending yet containing the body.
For example, "The great chain"
"Mind Body spirit as Hierarchy"
"Body, mind, spirit Holarchy"
We see the same thing with nested chains of command
In more general systems
In 1 Cor 15 the earth, birds, beasts, fish and man are given. Within these are even smaller sets though they are not given. And within these sets are even smaller sets and so on. For example, man is given and not the races of man but the races of man did not evolve.
Where the classification of the seeds mimic the nested pattern of God, the nested pattern of the tripartite nature of man mimics the nested pattern of God, and the "seeds" mimicking the made to mimic the nested pattern of the tripartite nature, we only have the physical creation mimicking the higher order of seeds from which they are created. Similar to what Plato said. "He asserted that there is realm of Forms or Ideas, which exist independently of anyone who may have thought of these ideas. Material things are then imperfect and transient reflections or instantiations of the perfect and unchanging ideas."
This classification would be based on a spiritual source rather than matter. Hence it would be closer to this