According to the U.S. Census Bureau, there is one birth every eight seconds in the United States, or about 10,800 births per day. Worldwide, approximately 350,000 to 400,000 people are born daily on average.Know More
At the end of 2013, the United States population was estimated to be 317,292,487 people. In March 2014, the global population was estimated to total more than 7.2 billion people.
Each day in the United States, an average of one person dies every 12 seconds. That calculates to be total of 7,200 deaths daily.
Globally, the annual average growth rate is 1.14 percent as of 2014. Since its peak growth rate of more than 2 percent in 1963, global growth rate has declined each year.Learn More
According to the Hardy-Weinberg model, evolution will not occur if the following conditions are met: mutation is not occurring, natural selection is not occurring, the population is infinitely large, all members of population breed, all mating is totally random, everyone produces the same number of offspring, and there is no migration in or out of population. In the real world, some of the conditions can never be met.Full Answer >
Community health is a field of public health that focuses specifically on the different health characteristics of biological communities. The main focus of community health is on preventing the occurrence and spread of diseases within specific populations.Full Answer >
As of 2014, Paris, the capital and most populous city of France, has a population of roughly 2.34 million. With an estimated 26 million visitors to the city each year, however, that number swells on a temporary basis. The greater metropolitan area extends to include more than 10.5 million residents.Full Answer >
The main difference between density-dependent factors and density-independent factors is that density-dependent factors affect only populations of certain sizes while density-independent factors affect populations in the same way, regardless of population size. Factors dependent on population density include illness, parasitism and scarcity of resources, while density-independent factors include weather phenomena, natural disaster and human activities, such as damming rivers and clearing forest areas and plains.Full Answer >