Sophia - Environmental Science - Unit 1 Challenge 2.

Sophia - Environmental Science - Unit 1 Challenge 2. 1 — Earth's Formation: History of Earth's Formation Determine the date of major events for Earth's history, according to the one-year calendar model. According to the one-year calendar model based on the Big Bang theory, which of the following events happened in September? • a.) The solar system comes into existence. • b.) The Big Bang occurs. • c.) Life appears on Earth. • d.) Homo sapiens appear on Earth. 2 — Earth's Formation: Atmosphere Conditions Differentiate between the conditions in the atmosphere before and after life formed on Earth. Some early life forms developed photosynthesis, which released free oxygen. When oxygen is impacted by UV radiation, it forms __________. • a.) ozone • b.) water • c.) oxygen • d.) sulfur dioxide 3 — Early Life Identify challenges for plant and animal life adapting to land. Which of the following was a challenge for plants and animals when adapting to life on land? • a.) Moving around without water for transportation • b.) Receiving enough radiation to maintain temperature • c.) Experiencing too much ozone • d.) Absorbing carbon dioxide from the atmosphere 4 — Continental Drift and Major Extinctions: Tectonic Plates Recognize the relationship between tectonic plates and continents according to the theory of continental drift. Which of the following statements about the theory of tectonic plates and continental drift is NOT true? • a.) Continents are the surface parts of larger tectonic plates. • b.) Continental drift led to an increase in biodiversity. • c.) Tectonic plates float on the earth’s molten core. • d.) Earthquakes are the result of tectonic plates colliding. 5 — Continental Drift and Major Extinctions: Causes of Extinctions Determine key factors of the mass extinctions in Earth's history. Which of the following items was NOT a likely cause of a major extinction event? • a.) An asteroid impact • b.) Volcanic eruptions • c.) A supernova • d.) Carbon dioxide levels 6 — Human Arrival and Expansion: Human Population Growth Identify key aspects of human population growth. Which of the following statements about human population growth is true? • a.) In 1800, there were one million people on Earth. • b.) The world population quadrupled between the years 1959 and 1999. • c.) The population rose by one billion between 1999 and 2012. • d.) The global population stayed fairly high until 1350. 7 — Human Arrival and Expansion: Technological Advancements Determine important technological advancements that led to population growth during the Green Revolution and the Industrial Revolution. Which of the following statements correctly identifies technological advancements that led to population growth during the Green Revolution and the Industrial Revolution? • a.) Transportation fatalities decreased. • b.) The availability of antibiotics improved life expectancies. • c.) Chemical fertilizers increased crop yields. • d.) Traditional farming practices were rediscovered.