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Geography
23 cards·by lin888
What is a cohort?
an age group
What are young people called?
young dependents
What are middle aged people called?
the workers
What are old people called?
elderly dependents
Why does the population change?
People are born, people die, people immigrate/ emigrate, we age
What is a dependency load?
percent of dependents
How do you calculate the dependency load?
the percentage of people age 15 and under with the percentage of people 65 and older
What are population pyramids?
A graphical representation of population data, display population data by age and gender
What are population pyramids?
Uses percentages of males and females for each age group. can be used to predict future
population trends
What is and increasing population pyramid?
High birth rate, rapid rate of population growth, high death rate, more people die at each
higher age band
What are typical patterns for less economically developed countries?
lack of birth control, negative environmental factors
What are expanding population pyramids?
high birth rate, slightly longer life expectancy, more people living in middle age
What are stable/ stationary population pyramids?
declining birth rate, low death rate more people living to an old age, equal percentages for
almost all age groups
What are declining population pyramids?
low birth rate, low death rate, higher dependency ratio, longer life expectancy
What are general purpose maps?
give a broad understanding about different locations all at once, most maps fall into this
category
What are thematic maps?
show one specific topic, easy to understand
What are topographic maps?
use symbols to represent things, show smaller areas, show parks, houses, school etc
What is sparse?
high land area, small population
What is dense?
low land mass, large population
What is moderate?
In between
What are natural environments?
71% water, 29% land, 90% people use 10% land, fish and forest attract people
What is economic development?
less factories have large families, more factories have small families, better access to
education, health care, job
What is economic development?
before 1800 people live in rural areas (farm), industrial revolution caused people to move
tocities