1.   The population has already begun to show its displeasure at the slow pace of change.

2.   Once, however, the child population began to rise, a new population question arose.

3.   Although northern right whales have slowly fought their way back from near-extinction, the population has begun to decline again in the past few years.

4.   But its population began to explode as thousands of dirt farmers and out-of-work laborers streamed to Acuna from elsewhere in Mexico.

5.   But the population will then begin to decline as aging takes its toll and the birth rate remains low.

6.   Long ago, New Jersey was divided into townships, and when populations began condensing around railway stations, many incorporated into separate boroughs.

7.   No genetic abnormalities associated with inbreeding have been noted, even though the population began with a small number of animals.

8.   Scientists are concerned because they believe the population must begin a sustained increase if the population is ever to be considered truly healthy.

9.   Second, in a delayed reaction to the generally lower crime rates of the past decade, the prison population is beginning to peak.