words i dont know from unit 2

Population density

Population per unit area

Physiological density

Number if people per unit

Arithmetic density

Total number of land per person

Agricultural density

Number of farmers per unit of arable land

Demographic transition model

Shows how birth and death rates go from high to low

Natural increase rate

Shows the annual percentage growths from births and deaths

Epidemiology

Deals with how medicines are distributed and how viruses are passed around

Degenerative disease

a group of progressive conditions that cause irreversible deterioration of organs, tissues, and cells over time

Cornucopians

People who believe environmental problems can be solved with technology

Boserup effect

The idea that population drives agricultural intensity

Diaspora

The spread of people from there original homeland

Ethnic cleansing

The mass killing of a ethnic group of some sort