1. Human Population Biology

2. Human Population Growth Video

11. Human History
For most of history, the human population grew slowly. In the past 500 years, the population began to grow rapidly, due to more technology and medical advances.

12. Human History

13. Demography:
Looks at the characteristics of human populations and attempts to explain how they will change

14. Equation for Population Growth
Birth Rate + Immigration – Death Rate – Emigration = Population Change Ex. What would happen if the death rate increased drastically and the immigration rate slightly increased?

15. Developing and Developed Countries
Developing
Developed
Number of people
 4.8 Billion
1.2 Billion
Income
Economy
Government and Community Support
Population Growth

16. Developing and Developed Countries
Developing
Developed
Number of people
 4.8 Billion
1.2 Billion
Income
Lower average income
Higher average income
Economy
Government and Community Support
Population Growth

17. Developing and Developed Countries
Developing
Developed
Number of people
 4.8 Billion
1.2 Billion
Income
Lower average income
Higher average income
Economy
Agricultural
Industrial
Government and Community Support
Population Growth

18. Developing and Developed Countries
Developing
Developed
Number of people
 4.8 Billion
1.2 Billion
Income
Lower average income
Higher average income
Economy
Agricultural
Industrial
Government and Community Support
 Weak support
Stronger support
Population Growth

19. Developing and Developed Countries
Developing
Developed
Number of people
 4.8 Billion
1.2 Billion
Income
Lower average income
Higher average income
Economy
Agricultural
Industrial
Government and Community Support
 Weak support
Stronger support
Population Growth
 Rapid Growth
Slow Growth

20. Demographic Transition
The slowing of a population growth in a country
Usually death rate decreases first
Then birth rate decreases

21. Human Diseases
Can slow down the growth of a human population

22. Human Diseases Examples: AIDS : acquired immunodeficiency syndrome
Influenza (flu) :caused by the influenza virus; people can get a vaccination for the flu, however there are many different strains which makes vaccines imperfect
Tuberculosis: also known as TB, caused by a bacteria and usually attacks the lungs .

24. Diseases (that affect non-human populations)
Dutch Elm Disease: a disease that is caused by fungi and affects elm trees; it has spread to North America and Europe where elm trees haven’t had a chance to develop resistance .
Pfiesteria : harmful microorganisms that have been associated with algal blooms and dying fish.

25. Dutch Elm Disease

26. Pfiesteria

27. Age-Structure Diagrams
Shows the age and gender distribution of an area
Why are they important?
They allow reasearchers to predict what future populations will look like and allows them to make sure a country has the right resources.

30. Han Rosling-Population TED Talk