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- 1. Multiple ChoiceWhat long-term impact could the destruction of large areas of forests have on Earth?decreased rates of erosionincreased atmospheric carbon dioxide levelsdecreased amounts of acid rainincreased atmospheric oxygen levels
- 2. Multiple ChoiceWhy is it important to conserve the biodiversity of Earth?to decrease the amount of global predator populationsto decrease the stability of major global ocean currentsto increase the stability of ecosystems during environmental changesto increase the amount of nonrenewable resources located in the lithosphere
- 3. Multiple ChoiceIf the population of a certain predator increases, there is often _______ its preya decrease the population ofan increase of the population ofgreat news for its prey ofno impact found on
- 4. Multiple ChoiceInvasive species are:non-nativeharmful to an ecosystemorganisms that can lack predators in the new environmentall of the answers are correct
- 5. Multiple ChoiceThe number one threat to biodiversitypollutionfragmentationhabitat destructionlimiting factors
- 6. Multiple ChoiceHow can people reduce the amount of resources they use?make more landfills and garbage dumpsbuy products with lots of packaginguse water, electricity, and gas conservatively and recycle metal, paper, and glassThink only about what you need right now and don’t worry about the future
- 7. Multiple ChoiceWhich is a main cause of soil erosion?strong windsflash floodshuman activityfossil fuels
- 8. Multiple Choice
Which organism would have the greatest concentration of pollution?zooplanktonlarge fishfish-eating birds of preysmall fish - 9. Multiple ChoiceInsecticides are sprayed over a large area in an effort to reduce the number of grasshoppers that are eating the corn plants. How will this change affect this food chain?The number of grasshoppers will increaseThe number of lizards will increaseThe number of lizards and hawks will decreaseThe number of grasshoppers, lizards, and hawks will decrease
- 10. Multiple ChoiceAll of the following are examples of environmental changes that can be caused by humans except -clearing land for housing developmentspesticidesvolcanic eruptionpollution
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