1.   Biological, social, or economic systems enter periods of punctuated equilibrium with slowly evolving but firmly established structures.

2.   Their social position also appeared to suffer a Decline as education entered a period of crisis.

3.   We are entering a period of deterioration in health care services.

4.   We are entering a period of slow economic growth and rising unemployment.

5.   The economy has entered a period of recession.

6.   The country is entering a period of prosperity.

7.   The Roman Catholic Church also entered a period of renewed growth, particularly in Lancashire and other parts of the country where Irish people settled in large numbers.

8.   Jones predicts that we are entering a period of enhanced genetic wellbeing, as international travel and migration bring new opportunities for outbreeding.

9.   The world is entering a period of protein scarcity, the report says.