The Human Population.

Essay by Alex430University, Bachelor's May 2005

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1.The population profiles for developed and developing countries are fundamentally different. What are the differences? 2.Define epidemiological transition and the fertility transistion and relate them to the four phases of the demographic transition. 3. Different regions of the world are in different phases of the demographic transition. What are the consequences of remaining at earlier transition phases. 4. List four natural resources that are needed for survival. Next, list five things that might happen if the number of people in a family, village, country is increased but the quantity of resources remains constant.

There are differences in developed countries and developing countries. Developing countries are the lower class and middle class countries. These are the countries that have low income and is usually a

poor country. The developed countries are the high income countries. There are a lot of factors to

consider why these countries are the way they are.

Fertility rate, poverty, pollution and eduacation are just

a few factors that effects the economy and the country.

Fertility often happens in poor countries. It falls back on the fact that people in poor countries are

less educated people. It is like a cycle. If a coutry is already poor and struggline and families are growing

there is no time or opportunity to catch up to become stable. Developed countries on the other hand are

more stable and educated. Therefore, families are smaller and fertility rates begin to lower.

Lower fertility rates is know as a fertility transition. As our book, Environmental Science, 9th edition

by Keith Wright, states that in the develped countries birthrates have declined from a high of 40 percent to

50 percent per thousand to 8 to 12, causing a fertility transition. Just as crude birth rates dropped crude

death rates have...

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