QUESTIONS AND SOLUTIONS GRADED A+
●● Sustainable systems
Answer: Allow future systems to flourish
Can be natural
Can be human
●● What is meant by sustainable development
Answer: 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:
Answer: Technology
Affluence
Population
●● When is IPAT analysis most likely to fail
Answer: When thinking about the future
●● Cells in a petri dish grow fastest when (s-shaped growth pattern)
,Answer: Far from carrying capacity
●● What happens to a system where population exceeds the carrying
capacity
Answer: The population drops below carrying capacity
●● What occurs at a Malthusian "point of crisis"?
Answer: Starvation: there is not enough food to sustain the entire
population
●● What most accurately describes a Neo-Malthusian attitude
Answer: 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?
Answer: Birth rates have been stable for decades
●● The united states has what kind of demographic structure?
Answer: transitional
●● If the population of a country is increases, we would expect to see a
population pyramid with a...
Answer: triangular shape
, ●● Why is there a population increase in stage two of the demographic
transition?
Answer: death rates are lower
●● What have demographer observed in the last 50 years?
Answer: Increased wealth is associated with decreasing birth rates
●● What is the approximate world population today?
Answer: 7.5 billion
●● Most of the population growth in the 20th century has primarily
occurred in..
Answer: less developed countries
●● Does the demographic transition model take into account global
catastrophes?
Answer: no
●● What explains why japans population is declining?
Answer: The mature age structure requires that fertility is below
replacement levels