Chapter 44

A(n) ______________ species has population levels so low it is at great risk of extinction in the near future. a. endemic b. endangered c. threatened d. indicator

Species are threatened by habitat ____________ . a. fragmentation b. degradation c. destruction d. all of the above

Deforestation ___________ . a. increases mineral runoff from soil b. decreases local temperature c. increases local rainfall d. all of the above

Sulfur dioxide released by coal-burning power plants contributes to ______________ . a. ozone destruction b. sea level rise c. acid rain d. desertification

The "hole" in the ozone layer is most pronounced in _________ over ___________ . a. fall; the Arctic b. fall; the equator c. spring; Antarctica d. spring; the equator

An increase in the size of the ozone hole would be expected to ____________ . a. increase skin cancers b. acidify the sea c. melt more glaciers d. increase atmospheric \(\mathrm{CO}_{2}\)

Ocean currents have caused a large amount of plastic to accumulate in the __________ . a. North Pacific Ocean b. South Atlantic Ocean c. Gulf of Mexico d. Indian Ocean

Global climate change is causing ______________ . a. a decrease in sea level b. glacial melting \(c_{*}\) acid rain d. all of the above

The Montreal Protocol banned use of ___________ which contribute(s) to destruction of the ozone layer. a. DDT b. CFCs c. fossil fuels d. sulfur dioxides

A highly threatened region that is home to unique species is a(n) ___________ . a. ecoregion b. biome c. hot spot d. community

Biodiversity refers to all except _____________. a. genetic diversity b. species diversity c. ecosystem diversity d. geographic diversity

Restoring a marsh that has been damaged by human activities is an example of ____________ . a. biological magnification b. bioaccumulation c. ecological restoration d. globalization

Individuals help sustain biodiversity by ____________ . a. reducing resource consumption b. reusing materials c. recycling materials d. all of the above

Match the terms with the most suitable description. a. good up high; bad nearby b. tree loss alters rainfall pattern and is difficult to reverse c. can increase dust storms d. evolved in one region and remains there alone e. coal-burning is major cause f. release of pollutant in many areas \(g .\) has unique threatened species h. cause of rising sea level i. genetic, species, and ecosystem diversity hot spot ozone biodiversity acid rain endemic species nonpoint source of pollution global climate change deforestation desertification