The rapid growth of the world's population over the past one hundred years results from a difference between the rate of birth and the rate of death. The human population will increase by 1 billion people in the next decade. This is like adding the whole population of China to the world's population. The growth in human population around the world affects all people through its impact on the economy and environment. The current rate of population growth is now a significant burden to human well being.
Until recently, birth rates and death rates were about the same, keeping the population stable. People had many children, but a large number of them died before age five.
During the Industrial Revolution, a period of history in Europe and North America where there were great advances in science and technology, the success in reducing death rates was attributable to several factors:
(1) increases in food production and distribution,
(2) improvement in public health (water and sanitation), and
(3) medical technology (vaccines and antibiotics), along with gains in education and standards of living within many developing nations.
Without these attributes present in many children's lives, they could not have survived common diseases like measles or the flu. People were able to fight and cure deadly germs that once killed them. In addition, because of the technology, people could produce more and different kinds of food. Gradually, over a period of time, these discoveries and inventions spread throughout the world, lowering death rates and improving the quality of life for most people.
the main cause is rapid population increase
Probably an increase in the population in their main predator or over hunting by humans
about 10-20, depending on where the nest is located and the Black Camian(main preadator) population increase/decrease
I think....................it is because of the increase in the population! All because of people llike us who take the environment for granted.
The two main factors that affect density are the mass of an object and its volume. An increase in mass or a decrease in volume will lead to an increase in density, whereas a decrease in mass or an increase in volume will result in a decrease in density.
The industrial revolution. Factories and manufactures were located in the large cities, so the workers moved from the rural areas to the cities for jobs, therefore, population increase.
it helps rapid population growth decrease
the main causes of the inflation is increase in the percapita income and this results in increase in the standard of living of the people .. and the other one is increase in the percapita income in our country
REal GDP will increase , inflation will increase, and unemployment will decrease
Natural disasters are usually the main causes for population decrease. Some countries that just got hit by a natural disaster, probably went into a population decrease. Some recent countries that got a population decrease are Taiwan (huge disaster), etc.
Several things could cause it. A decrease in any predator that feeds on mice will cause an increase in mice population because less of them will be eaten by other animals. An increase in the mice food supply could cause an increase in population too, especially if lack of food was the main limiting factor of the mice population. In very rare circumstances, additional mice could be brought in from other parts of the world by humans. There are some non-native fish living in lakes because someone put some in there and they started to breed.
the number of rabbits will decrease because that's fox's main food source