Sentence examples for periods of evolution from inspiring English sources

Major periods of evolution, particularly since the mid-19th century.

In fact, evidence from numerous case histories reveals periods of substantial turbulence interspersed between smoother periods of evolution.

On the other hand, cosmologists speculated as to the existence of several successive cycles constituting successive periods of evolution and involution of the universe.

Many insect types, traces of which have not yet been discovered, must have been produced during the explosive periods of evolution in Carboniferous and Permian times.

The branches between these nodes represent periods of evolution between speciation events.

For source rocks that experienced many periods of evolution, the results of comparison using a single biomarker will be seriously affected by the degree of maturity.

Formally Marxist, it envisaged a long period of evolution before an eventual "revolutionary" transformation of society.

This development is occurring during a period of evolution in law and regulation.

Executive director James Daunt said: "As we go through a crucial period of evolution, we are extremely fortunate to have in place a board of such breadth of experience".

And a relationship that started in Austin nearly 20 years ago lasted through an exceptional period of evolution and growth in our industry".

Following a lengthy period of evolution, the earth had more or less reached the point where we are now; in other words, it had entered the phase when cars wear out more quickly than the soles of shoes.