Sentence examples for biological upheaval from inspiring English sources

Invasive species of microbes, plants, and animals are changing ecosystems in a biological upheaval that may affect almost everything that lives.

In addition to galvanizing the scientists, he's calling for an open public discussion on the biological, social, and political upheavals that the mere anticipation of successful life-lengthening remedies would inevitably provoke.

From the black plague to avian flu, Attila the Hun to Osama bin-Laden, Mount Vesuvius to the Indian Ocean tsunami and let's not even mention biological or nuclear warfare people and cultures are eternally prone to natural disaster, social upheaval and just plain killing each other.

The upheaval.

Then came the second upheaval.

Not so this year's upheaval.

Such upheaval would be controversial.

It was quite an upheaval.

Political upheaval followed economic depression.

If that happens, expect much more upheaval.

Then came upheaval.