Exam 17: The Resource Cycle

Wilderness in the United States is generally owned by

Stones for tool use are a ___________ resource because even though they are replenished naturally, the rates of replenishment are measured in millions of years.

Nonrenewable resources are replenished seasonally or continuously.

Which of the following resources, if contaminated, would cause the greatest impact to humans?

The emergence of agriculture about 100,000 years ago allowed people to extract resources more intensively.

Which of the following best defines aquaculture?

__________ soil is soil that is suited for growing agricultural crops.

In the mid-1980s, productivity in some agricultural sectors began to level off. Why did this happen, even during the midst of the Green Revolution?

The depletion of stocks of fish in many of the world's largest fisheries is

___________ is weathered rock material that has been altered by the presence of living and decaying organisms, such that it can support rooted plant life.

Other than the Antarctic, which of the following continents has no deforestation today?

As of 2010, the International Union for the Conservation of Nature's Red List of Endangered Species lists which fish as "vulnerable" (one step short of being an endangered species)?

Earth's carrying capacity is infinite.

Common property resources are commonly, jointly, or communally owned.

The Tragedy of Commons suggests that

Some resources are renewed on such a continuous basis that they might be referred to as ___________ .

Which of the following is a non-renewable resource?

Due to modern farming methods, wheat and corn production has almost in the decades following the 1950s.

While all of the following can contribute to the extinction of species, which of the following is the major cause?

Today, ___________ -- the loss of forest cover -- continues at a rapid pace in many of the poorer countries of the developing world.