Sophia - Environmental Science - Unit 1 Milestone 1

Which of the following describes an effect of an environmental issue experienced at the global level? • Particulate matter from a coal factory is causing health problems for workers. • Formaldehyde in the new office carpeting is causing a severe allergic reaction. • Consumers experience dizziness and nausea from pollutants in the water supply. • The consumption of fossil fuels contributes to air pollution and rising CO2 levels. CONCEPT Time, Scale, and Impact 2 Which of the following correctly defines an ecosystem? • Living organisms interacting with nonliving components in a specific area • The number and abundance of species living in a certain area • A relationship between humans and nature in which resources can be used indefinitely • Services that humanity benefits from, including water purification and soil formation CONCEPT Biodiversity Sustainability 3 Plant and animal life faced many challenges when moving from water to land. Select the FALSE statement about this transition. • Organisms had to adapt in order to reproduce on land. • Plant and animal life suffered from a lack of consistent sunlight on land. • Organisms tended to dry out upon moving to land. • Plant and animal life experienced increased effects of gravity on land. CONCEPT Early Life 4 Which of the following is the best example of how a government agency can apply environmental science? • Purchase only free-range, organic chicken • Study the decline in honeybee populations around the world • Provide mosquito netting for malaria-stricken areas • Regulate air emissions from a coal factory CONCEPT Applying Environmental Science 5 Select the true statement about human population growth. • Plague and famine caused a decrease in population between 1 AD and 1350. • In 2012, there were 7.5 billion people on Earth. • Global population has been relatively high throughout history.