Unit 6

What is another word for

exponential growth?

 

Geometric Growth

 

m (E)

 man is a function of earth
 

y= f(x)

 

y is a function of x

 

Relative Growth Rate indicates…

 

the % increase or decrease in

y or a population

What is the equation for

doubling time?

 

Dt = 70/ annual percentage growth

When a population exceeds the carrying capacity, the death rate _____

the birth rate

 

surpasses

When a population exceeds the carrying capacity of its environment, its called an __________
 

overshoot

Pattern of overshoot or dieback

is also called __________

or _______ __________

irruptive

or

Malthusian Growth

 

What did Malthus believe?

 

Human population increases until resources are exhausted

 

Why do we overshoot the carrying capacity?
We believe we have unlimited resources
 

What is the net gain of humans per second?

 

2 seconds

What is the social justice concern about human population?
Shortage is due to greed, waste, and oppression.  It’s the distribution of wealth and power rather than population size
What are four factors that determine population growth?
culture

religion

politics

economics

What does population growth;

lead to?

Crime, starvation, misery, and war
What does Malthus believe?
population growth will;

exceed the carrying capacity

What does Marx believe?
Population growth is a symptom resulting from social injustice
Natality
production of new individuals by birth
Fecundity
Physical ability to reproduce
Fertility
# of offspring produced by 1 woman
Crude birth rate
# of births per year per 1000 people
Why is the crude birth rate crude?
It assumes all women are in their productive age
What is the world growth rate?
1.4%
What is the dependency ratio?
Number of non working compared to working individuals in a population