APES - Unit 1 Flashcards (ID: B)

What is the population doubling time in years for a country with an annual growth rate of 3.5 percent?

20

The current human population is near

7 billion

About _ percent of the world lives in less developed countries

80%

Assume the current global population is 6.1 billion and is growing at a rate of 1.35 percent. If world population were to grow at this rate for the next year, approximately how many people would be added?

8x10^7

Which of the following does not represent an open system?

A lake inside a cave

By the year 2077, word populations expected to approach 14 billion. If the current population trends continue, which region of the world will most likely experience the majority of the growth?

Africa and Asia

The maximum size of population the environment can support.

Carrying Capacity

The fuel that helped make the Industrial Revolution possible was

Coal

The thing that stays the same

Dependent Variable

Which of the following best illustrates the concept of the tragedy of the commons?

Depletion of an aquifer (groundwater) by regional farmers.

All of the following illustrate the tragedy of the commons except

Dumping on private land.

The J shaped curve of human population discussed in this course is a graphic representation of

Exponential growth

More developed countries

Generate the majority of the world's pollution and waste.

Which row shows how energy and matter moves through each type of system?

III (closed = matter flows open = energy flows).

The thing that is being changed

Independent variable

Graph problem

J curve (should be 1)

As disease spreads through a population, numbers fall. As the result of a reduction in contact between individuals, the rate of spread of the disease is reduced. Theirs followed by a recovery in numbers. This is an example of a

Negative feedback

Most of the environmental problems facing today's society are a direct result of

Overpopulation

Silent Spring was published in 1962. It detailed environmental problems associated with DDT. The author of Silent spring was:

Rachel Carson

Improving people's lives in the present in a way that can continue far into the future is

Sustainable development

The increase in the size of Earth's human population in the last century has been dramatic. Which of the following identifies two major contributors to this increase?

The Industrial Revolution and modern medicine.

Which statement is true about the more developed countries

They make up about 1/5 of the world's population.

Which of the following best explains why the maximum sustainable yield for ocean fisheries has been exceeded?

Too many fish of reproductive age are harvested

All of the following are examples of environmental degradation except

Using solar power at a rapid rate.

Harvesting more than the sustainable yield of a renewable resource leads to

environmental degredation