In a few ances this may have come about by the emphasizing of a ly primitive trait; as when the wolf Ophois, in consonance I the predatory nature of that animal, developed into a of war.
How far such adaptations are produced afresh in each generation, whether or no their effects are transmitted to descendants and so directly modify the stock, to what extent adaptations characteristic of a species or variety have come about by selection of individuals capable, in each generation, of responding favourably, or how far by the selection of individuals fortuitously suitable to the environment, or, how far, possibly by the inheritance of the responses to the environment, are problems of biology not yet definitely solved.
It will come about through sensors, genetic engineering, better information, better communication, and precision farming.
It has thus come about that astrophysics owes its recent development, and its recognition as a distinct branch of astronomical science, to the combination of the processes involved in the three arts of spectroscopy, photography and photometry.
The confusion between them has, perhaps, come about from the fact that the modern crown seems to be rather an evolution from the diadem than the lineal descendant of the older crowns.
This has come about as we have left a polarized world behind us and the importance of military alliances has fallen.
I doubt the trip will ever come about as each of us seems content with our hands-off, albeit revered, relationship.
So it has come about that the only practicable history of geographical exploration starts from the Mediterranean centre, the first home of that civilization which has come to be known as European, though its field of activity has long since overspread the habitable land of both temperate zones, eastern Asia alone in part excepted.
When one branch of a family was admitted and one shut out we have an analogy to the patrician and plebeian Claudii, though the distinction had come about in quite another way.
Extinction may come about indirectly and even more surely.