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Flashcards in Exam 2 Deck (18)
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1

What are the factors of population increase

Agriculture, transportation, industrial revolution

2

Doubling time

The shorter the doubling time, the quicker the curve (faster population growth)

3

Rule of 70

70 years/% growth= doubling time in years

4

Malthus

Easter Island Example
Wants to work on population growth through birth rates; believes population growth needs to slow down
Malthus believed resource depletion causes poverty

5

Marx

Wants to work on social justice issues to decrease poverty

6

What are the demographic spheres

less developed: population increasing rapidly; younger population-poor
developed: slightly increasing population; older- wealthy

7

Crude birth rate

number of births per 1,000 persons

8

Total fertility rate

Number of births per average woman over her entire life (look at this for projections)

9

Zero population growth

occurs when number of birth is equal to the number of deaths

10

Fertility rates

decreasing around the world

11

Crude death rates

number of deaths per 1,000 persons

12

Declining mortality

is the primary cause for population increase in the last 300 years

13

Life span

the oldest age attainable by a member of a species (not effected by where you live)

14

Life expectancy

average age a newborn can expect to reach in any given society (probability; different per region)

15

Population momentum

Reproductive capacity that is banked in the age spectrum
Developed nations: low population momentum
Less developed nations: high population momentum
(More girls at reproductive age =high momentum)

16

Dependency ratio

Number of non-working individuals to the number of working individuals

17

Pro-natalist pressures

Reasons to have babies:
Creation of future workforce
Assistance with current work load
Status of men
Status for women (survival someone to take care of them)
Source of pleasure and comfort (desire to have kids)

18

Birth reduction pressures

Reasons not to have children
Higher education and personal freedom
Higher cost of raising a child
Ideal family size to meet ZPG