Which systems are included in the usual three-part model of a sustainable earth? - Answers Its
environment
Its societies
Its economies
Sustainable systems - Answers Allow future systems to flourish
Can be natural
Can be human
What is meant by sustainable development - Answers Meets the needs of the present without
compromising the ability of future generations to meet their own needs
In the IPAT equation the environmental impact (I) of human activity is modeled to increase
when the following increases: - Answers Technology
Affluence
Population
When is IPAT analysis most likely to fail - Answers When thinking about the future
Cells in a petri dish grow fastest when (s-shaped growth pattern) - Answers Far from carrying
capacity
What happens to a system where population exceeds the carrying capacity - Answers The
population drops below carrying capacity
What occurs at a Malthusian "point of crisis"? - Answers Starvation: there is not enough food to
sustain the entire population
What most accurately describes a Neo-Malthusian attitude - Answers Believing that population
growth is unsustainable today
If there are as many 40 year old's in a population as 1 year old's, what does this mean? -
Answers Birth rates have been stable for decades
The united states has what kind of demographic structure? - Answers transitional
If the population of a country is increases, we would expect to see a population pyramid with a...
- Answers triangular shape
Why is there a population increase in stage two of the demographic transition? - Answers death
, rates are lower
What have demographer observed in the last 50 years? - Answers Increased wealth is
associated with decreasing birth rates
What is the approximate world population today? - Answers 7.5 billion
Most of the population growth in the 20th century has primarily occurred in.. - Answers less
developed countries
Does the demographic transition model take into account global catastrophes? - Answers no
What explains why japans population is declining? - Answers The mature age structure requires
that fertility is below replacement levels
If the demographic transition model is accurate where would japan be? - Answers Stage 4
The demographic transition model predicts that... - Answers Reductions in birth rates lag
reduction in death rates
How much will the world population increase over the next 40 years (according to the UN's
medium projection? - Answers about 2 billion
According to the UN where will the most population growth occur in the 21st century? - Answers
africa
Why won't population growth alone necessarily lead to large global environmental impacts? -
Answers Most population growth is occurring in regions with low per-capita consumption
If the population of a country is decreasing, we could expect to see a pop. Pyramid with... -
Answers A wedge, or cup shape
The largest increase in the global population occurred in which time period? - Answers The 20th
century
If the population of a country is stable, we would expect to see a population pyramid with a ... -
Answers Square shape
What is the demographic transition? - Answers The move from high birth and death rates to low
birth and death rates
The average life-expectancy is currently... - Answers Getting longer in most places
Haiti has been largely deforested as a result of "the Tragedy of the Commons", despite
government laws to prevent over-extraction of timber resources. Why might this be? - Answers
The Haitian government is too weak or corrupt to enforce property and conservation laws
A "Tragedy of the Commons" requires both a "Tragedy" and a "Commons". What does the