Exam 34: Human Population, Limited Resources, and Pollution

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

Overgrazing transforms marginal farmlands to deserts, a process called ________.

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 ________.

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

Baja California is a relatively dry Mexican state but has begun to desalinate seawater for the eastern and driest part of the state. If you were one of the managers of an irrigation project using this water, what measures would you adopt?

Of the following, the social trend that would cause the fastest population increase is ________.

Match each definition to the correct term -Age classes grouped into pre-reproductive, reproductive, and post-reproductive categories.

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

Match each definition to the correct term -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.

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

If we wished to reduce global climate change, which of the following would not be targeted for reduction?

The ________ drift up to the stratosphere, where UV radiation causes them to break down to their atomic form, one of which breaks down ozone.

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

Underground water supplies within porous rock are called ________.

Ozone in the atmosphere shields us from ________.

Many forest plants and animals have been found to have chemicals in them that can be used for medicines. Which of the following is least helpful in preserving this resource?

Match each definition to the correct term -Tuberculosis is caused by an infectious bacterium and causes an annual death toll of 1 to 3 million people worldwide. It is this kind of regulating factor.

Which community will need to plan for more schools? One with a population structure shaped like a(n) ________.

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