These characteristics may be because the person had to adapt to changes and take on responsibilities.

Throughout the 19th century, Franklin had to adapt to changes in agriculture.

Every organization must adapt to changes in the marketplace, and our family is no exception.

She has a high ability to adapt to environmental changes.

He calls it "a very good" way for the schools to adapt realistically to changes in American family life.

But it was also possible to make direct studies of how a single population adapted to changes taking place in its local environment.

Transition: How easy is it to adapt to changes in the technical environment?

It takes time and a great deal of confidence to adapt to changes in social structures.

Good schools will adapt to ethnic or economic changes in a neighborhood.

Such thinking can lead on to the idea that species evolve because they "need to" in order to adapt to environmental changes.