Exam 44: Human Effects on the Biosphere

Four of these five statements about ozone are correct. Select the exception.

A single large source of a pollutant is known as a(n) ____ source, while many small sources of pollution are known as ____ sources.

What results when airborne sulfur and nitrogen oxides coat dust particles?

​What ozone-depleting gas is released when bacteria feed on fertilizers and animal waste?

What role does wind play in desertification?

When plowing or grazing removes plants and exposes topsoil to wind erosion, the result is often ____

What is ecological restoration?

-Which color on this map indicates ecoregions that are the top priorities for conservation efforts?

Match the term with the appropriate description. Terms may be used once or more than once. -produced when airborne pollutants coat dust particles that fall to the ground

Compared to species that have spread to many areas, endemic species are more likely to go extinct due to ____.

Which nonrenewable resource is used to make electronic devices such as phones, computers, and televisions? Why is this detrimental to the environment? What can be done to promote sustainability?

What was the primary cause of the 'Dust bowl' in the United States during the 1930s?

Why do some researchers argue for a major focus of research on microbial ecology and microbial diversity?