- Which of the following is considered an arid biome?
- Which of the following cycles does NOT involve living organisms?A) Carbon cycleB) Oxygen CycleC) Rock CycleD) Nitrogen Cycle
- The decline of anchovies off the coast of Peru is most closely linked with which of the following human activities?
- Which of these developments did not occur from the Jurassic period through the Cretaceous period?A) Dinosaurs became extinctB) angiosperms developedC) trilobites appearedD) Pangaea fully split
- Which of the following is not a way humans have impacted coral reefs?A) overfishingB) tourismC) oil drillingD) agriculture
- Which of the following is a way humans have impacted the rainforest but not the tundra?
- Which factor is not used to define biomes?A) plant structuresB) leaf typesC) historical similarities D) climate
- Once the carrying capacity for an organism in a system as a seated, population of the organism will most likely ____ over time.
- The natural growth rate of the United States population is about 1%. The 2010 census determined that the nations population was about 309 million. Assuming the growth rate remains constant, approximately when is the US population expected to reach 1 billion?
- During which period did mammals first appear?
- Which of the following is NOT a use for a weather radar?A) Forecasting weatherB) Locating precipitation C) Determining type of precipitationD) Measuring temperature
- How does agriculture affect coral reefs?A) fertilizer runoff entering the ecosystemB) increase of nutrients due to fertilizersC) increase in algal growthD) All of the above
- The deforestation of a wooded area increases erosion, resulting in increased sediment at the bottom of a nearby river. This leads to increased flooding in the area. Which of the following terms best defines this chain of events?
- If the world population is estimated to be at 7 billion in 2011, and is growing at a rate of 1.2%, when is the population likely to hit the 10 billion mark?
- Which of the following factors does NOT increase the difficulty of analyzing and understanding the effects of individual actions on a complex environment?
- The government of China has instituted strict population growth measures for its citizens. Although the population is approximately 1.2 billion, the population growth rate is among the lowest in the world, at 0.45%. Which of the following environmental principles is the government most likely concerned about?
- Earth's continents are constantly in motion because they sit on top of gigantic plates which floats on earths mantle. Energy from the earth's core creates convection currents in the molten layer, and the currents move the plates. Over extremely long periods of time, this movement creates new ____
- Which of the following places is generally not considered an open system?
- The proposition that the earth behaves as a single, self regulating system is called
- In the case study of the amboseli national reserve, scientists were trying to determine a cause for the loss of woodland habitat at the foot of Mount Kilimanjaro. After years of study, they concluded that the loss of habitat was due to ____