REV/ENV. pop and Health test review

largest number of individuals of a population that the environment can support  

• carrying capacity
• primary succession 
• denitrification
• mutualism

The size of the human population began to increase exponentially after the

• bubonic plague

• development of plowing and irrigation

• Industrial Revolution

• development of the first cities.

The human population is now about

• 7-8 million

• 11-12 million

• 7-8 billion

• 11-12 billion

Which of the following statements about human carrying capacity is the most likely true?

• We have exceeded our carrying capacity as exemplified by world hunger.

• Human technology has been responsible for periodically increasing the carrying capacity.

• The earth can probably support 40-50 billion people on a vegetarian diet.

• In all likelihood, human do not have a carrying capacity.

How are transmitted the infectious diseases

• Contaminated food

• Contaminated water

• Contaminated objects

• all of them

What is a sprawl? (environmental science?)

• an ungainly or carelessly relaxed position in which one's arms and legs are spread out.

• Where Fossil fuels are burned to import food, water and materials.

• Dense urban centers leave room for agriculture, wilderness, biodiversity, and privacy.

• The spread of high-density urban or suburban development outward from a dense urban core

The shift of population from the countryside to a city is called:

• land use

• urbanization

• infrastructure

• land cover

The effects of urban areas on the environment are"

• positive

• negative

• both positive and negative

• neither

Why has the world population dramatically increased?

• Better medicine
• Better sanitation
• Better technology
• All of the above

Which of the following is likely to be affected by a population of 7 billion?

• amount of land for agriculture
• amount of clean water
• number of people who are unemployed
• all of the above