Exam 24: Human Populations, limited Resources, and Pollution

In ________ countries the doubling time is often small.

________ are events that have a greater impact on the population as conditions become more crowded.

Air pollution over a long period of time can cause this condition.

Ozone in the atmosphere shields us from ________.

Match each definition in the first column to the correct term in the second column. -When marginal farmland is turned into desert,the process is termed this.

Match each definition in the first column to the correct term in the second column. -Along with death,this decreases population size.

Population increases may be stopped by reduced resources or by the buildup of ________.

If the age structure of a country shows a large base and a tapering shape,we would guess that the population of this country will ________.

Match each definition in the first column to the correct term in the second column. -A certain herbivore selectively destroys some types of plants on rangeland but not others.After those animals have left the area,those tasty plants no longer grow on the plot of land so we would say that this has been reduced there.

________ describes how populations change in size.

Generally,the homicide rate is higher in cities with large populations than in smaller municipalities.How,then,would you characterize homicides as population-controlling factors?

Which is known as unrestricted growth at a constant rate?

Which of the following is a density independent population-regulating factor?

Match each definition in the first column to the correct term in the second column. -A measure of the decrease in population size due to removal of individuals by disease,predation,or natural causes.

A national planner is aware that the income tax revenues will fall in 30 years,so it would be best to increase the money coming into the budget at that time.Which of the following would be the most productive option?

The increase of agricultural yields due to the development of high-yield varieties of crops and the use of modern cultivation methods is referred to as the ________.

The Green Revolution impacted Indonesia's food supply in a positive way.Comment on its effects on the country's ecological footprint.

Match each definition in the first column to the correct term in the second column. -If you found an old refrigerator that still works,it would probably have this type of compound as a refrigerant.

What difference does it make if you choose to eat a hamburger from a fast-food place rather than from a restaurant using locally grown beef?

This method of generating energy has in the past resulted in accidents that in turn cause cancer.