Unit 3: Environmental Issues Review

Which of the following is the correct definition of biodiversity?

• contamination that does not come from a single source

• organisms that are on the endangered species list

• the variance of plant and animal species within an environment

• raw materials derived from the environment

Which of the following laws was passed to protect the environment?

• the North American Fair Trade Agreement

• the Patriot Act

• the Clean Air Act

• the Oceanic Use Act

Which of the following is the main component of smog?

• oxygen

• carbon dioxide

• radon

• hydrogen

What was the time of greatest population growth in the world?

• the late nineteenth century

• the mid-seventeenth century

• the early twenty-first century

• the mid-twentieth century

Which of the following is a result of a population reaching carrying capacity?

• shortages of food; not enough food for the population

• surpluses of food; abundant food supplies

• decrease in population due to disease

• an earthquake destroys the population’s habitat

Which of the following would NOT encourage a population to experience exponential growth? 

• a constant birth rate

• a surplus of food

• a lack of disease

• a large-scale natural disaster

Which of the following BEST describes the concept of reclamation?

• using microorganisms to restore a polluted area

• clearing naturally grown forests

• creating new, habitable land out of riverbeds

• using a natural resource over again

 

Petroleum, natural gas, and coal are three main types of which of the following? 

• fossil fuels

• nuclear energy

• solar energy

• hydroelectric power

Which type of energy is generated from natural resources such as sunlight, rain, and wind?

• renewable energy

• non-renewable energy

• nuclear energy

• geothermal energy

Approximately what percent of Earth’s oxygen is a result of photosynthesis in the Amazon rainforest?

• 75%

• 20%

• 50%

• 90%