Geo U3

Which is the best definition of an ecosystem?

• a. community of all the living things in an area

• b. the food web and toxic waste

• c. pollution that occurs from one location

• d. invasive species finding a new home

Which of these is a major issue affecting the Great Lakes ecosystem?

• a. deforestation

• b. desertification

• c. invasive species

• d. ozone depletion

Which of the following is TRUE about the Great Lakes?

• a. they are the smallest freshwater lakes in the world

• b. they are the coldest lakes in the world

• c. they are the largest group of freshwater lakes on Earth by total area

• d. they are the largest group of saltwater lakes in the world

May 15 (BBC-reported) A factory in China was found to be illegally discharging harmful waste into the Yangtze River, leading to severe health issues for local residents. This is an example of:

• a. Non-Point Source Pollution

• b. Point Source Pollution

• c. Climate Change

• d. None of the above

What is a significant factor contributing to the land use disputes in the Amazon Rainforest?

• a. Government restrictions on the relocation of farmers to the rainforest

• b. Varied opinions among different groups on the optimal utilization of the rainforest

• c. Disagreements between ranchers and farmers on the extent of land clearance in the rainforest

• d. Debates among environmental organizations on the best strategies to conserve biodiversity in the rainforest

What would be the most sustainable way to use the resources of the Amazon rainforest?

• a. Clearing large areas for agriculture

• b. Building extensive road networks

• c. Harvesting trees for timber

• d. Using resources without causing significant harm to the ecosystem

What is the primary cause of loss of biodiversity in the Amazon rainforest?

• a. Tourism

• b. Illegal Mining

• c. Deforestation by Logging Companies

• d. Climate Change

What is the primary concern of environmental organizations in the Amazon rainforest?

• a. Industrialization

• b. Conservation of biodiversity

• c. Promotion of tourism

• d. Urban development

What is a sustainable practice for managing resources in a rainforest?

• a. Cutting down all the trees for timber

• b. Implementing practices that do not harm the ecosystem

• c. Selling all resources for maximum profit

• d. Encouraging deforestation for agricultural purposes

Which statement DOES NOT support the theory of global warming?

• a. Factories are producing more greenhouse gases than ever before.

• b. Human activity does not explain climate change; solar cycles and ocean currents do.

• c. The use of coal, oil and natural gas contributes to global warming.

• d. Global warming might mean crop failures and flooding because of higher sea levels.