Ch. 9 Enviro Sci

The study of populations

• Demography
• Populationist
• Mapper
• Global Tracker

The population growth rates increased during each decade

• Age Structure
• Birthrate
• Exponential Growth
• Survivorship

The distribution of ages in a specific population at a certain time

• Exponential Growth
• Age Structure
• Demography 
• Survivorship

The percentage of members in a group that are likely to survive to any given age

• Age Structure
• Birth Rate
• Exponential Growth
• Survivorship

Survivorship: When a population curve shows a population growing to an advanced age (more developed countries)

• Type I
• Type II
• Type III

Survivorship: When a population curve shows a population that all ages have a similar death rate

• Type I
• Type II
• Type III

Survivorship: When a population curve shows a population in which many offspring die (less developed countries)

• Type I
• Type II
• Type III

The number of babies born each year per 1,000 people in a population 

• Birthrate
• Deathrate
• Population
• Exponential Growth

The average number of children a woman gives birth to in her lifetime

• Birthrate
• Fertility Rate
• Life Expectancy
• Migration

The movement of individuals from one area to another

• Migration
• Immigration
• Emigration
• Birthrate