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Environmental Science Unit 2 Milestone.

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Sophia Environmental Science Unit 2 Milestone 1 Based on the graph, during which decade did the U.S. population reach carrying capacity?  1980s  1990s  1960s  1970s CONCEPT P... opulation Ecology 2 Which statement accurately describes the "tundra" biome?  Evergreen forests and long cold winters are found here.  This biome contains many trees that go dormant in winter.  A layer of permafrost and a short growing season can be found here.  This biome contains most of the human population. CONCEPT Biomes 3 Select the statement that is indicative of valuing species for their intrinsic value.  These wetlands must be protected because they provide flood control.  Cotton is an important crop because it can be made into fibers for clothing.  Wilderness areas are places that provide opportunities for reflection and enjoyment.  Factory farming should be abolished because it condemns chickens to short, miserable lives. CONCEPT The Role of Individual Species 4 Which of the following is NOT an example of overexploitation?  Box turtles are exported illegally as pets, and tens of thousands of them die each year.  Although it grows slowly and produces few seeds, ginseng is harvested before it has a chance to reproduce.  Farmers are using new irrigation techniques to sustain groundwater levels and wetlands.  Demands for fur contributed to the near extinction of beaver and other furbearing species. CONCEPT Overexploitation 5 Which of the following is a non-renewable resource?  Biomass  Petroleum  Wood  Wind CONCEPT Natural Resources 6 Environmental scientists cite several challenges to protecting endangered species. Which of the following is NOT a difficulty faced by those working to protect an endangered species?  Scientists who are focused on a single species may not recognize another species in peril.  Fundraising can be more difficult if the species is not perceived as valuable.  Protection efforts may be slowed because of difficulty enforcing new regulations.  Extinction is natural in nature and its rate of occurrence has remained steady. CONCEPT Endangered Species [Show More]

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