Free Human Population Essays and Papers
Population Growth Essay - Words | Bartleby
At the dawn of a new age where technology and money rule, a disaster which threatens these, as well as the way we live, has quickly and seemingly unstoppably gained ascendancy and has somehow gone unnoticed. During the first 2 million or so years of its history the human population was a minor element in the world ecosystem, with at most 10 million members. In the New Stone Age, less than 10, years ago, the number of humans began to increase more rapidly. The rough equilibrium maintained before Neolithic times gave way when the human population developed agriculture and animal domestication and no longer had to spread out in search of game. With the abandonment of a hunting-gathering way of life and the rise of permanent settlements and eventually cities, the human population underwent dramatic growth. By the beginning of the Christian era it had reached million, and by , half a billion.
Population Growth Essay
By this number will swell to almost 5 billion, with urban growth concentrated in Africa and Asia. Common factors include birthrate, medical advances, productivity, and so on. There have been a lot of debates and discussions as to whether an increase in population is good Assume that there are only two inputs labour and natural resources producing
Population growth occurs when the births out number the deaths. At this population momentum, even after the total fertility rate is reduced to the replacement level, enormous growth is in store for developing countries Wright In developed countries like the United States, it is seemly different in that a developed population profile will increase and decrease accordingly Wright This is due to demographic changes in comparison.