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- 1. Multiple ChoiceIncreased industrialization will most likelydecrease available habitatsincrease environmental carrying capacityincrease the stability of ecosystemsdecrease global warming
- 2. Multiple Choice
1. What is one of the greatest threats to biodiversity on Earth?
habitat destruction
loss of drinking water
decrease in food supply
pollution
- 3. Multiple Choice
1. Why might an introduced animal species overrun native species in an ecosystem?
. Its population size is smaller than those of native species.
. It is more energy efficient, so it eats less food.
It is a predator of the native species.
It often has no natural enemies
- 4. Multiple Choice
Which of these is one cause of deforestation?
Urbanization
Buying a Christmas tree during the holidays
Overbreeding birds in the wild
Cutting down the tree in your backyard
- 5. Multiple ChoiceWhat is deforestation?Clearing Earth's forests on a massive scaleEating too much vegetablesGoing to a forest and pulling weedsClearing the five trees in my backyard
- 6. Multiple Choice
When human-made chemicals and garbage find their way into nature and harm the air, soil, and water it is called
pollution
habitat destruction
overexploitation
climate change
- 7. Multiple Choice
The largest threat to biodiversity is
bacteria
fungi
humans
plants
- 8. Multiple Choice
Most water pollution is the result ofhuman activities.drought.volcanic eruptions.storms. - 9. Multiple ChoiceWhat is the major cause for air pollution?factories and carscigarretesdeforestationoil spills
- 10. Multiple ChoiceApproximately 75 percent of the Earth's surface is covered in water. So why is water considered such a precious resource?The greenhouse effect is causing most of the world's freshwater to be trapped in the atmosphereOnly a small fraction of the Earth's water is freshwater available for drinking and irrigationEach year, more freshwater is being trapped in icecaps located at the North and South PolesGlobal warming caused by greenhouse gas emissions will likely cause Earth's oceans to evaporate
- 11. Multiple ChoiceAlbert wants to practice conservation. He has decided to examine his lifestyle in order to identify areas in which he can reduce the resources he consumes, reuse resources he already has, and recycle resources that he cannot reuse. In which of the following ways can Albert best reduce the resources he currently consumes?Use paper grocery bags as gift wrapRide a bike to work instead of taking his carSubscribe to a daily rather than a weekly newspaperUse an organic rather than synthetic fertilizer in his garden
- 12. Multiple ChoiceGlobal warming has been linked to a decrease inthe size of the polar ice capsthe temperature of Earththe rate of species extinctionthe rate of carbon dioxide production
- 13. Multiple ChoiceAbout 97% of the water on Earth is ___________________.fresh watergroundwatersalt waterice
- 14. Multiple ChoiceLess rainfall in an area and higher temperatures could lead to ____________.urbanizationdeforestationdesertificationhigher pollution
- 15. Multiple Choice
Urbanization is
clearing of trees in a forested area
spread of desert like conditions due to actions of humans
large numbers of people moving to small areas
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