WHS Bio Ecosystem Lesson 11

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According to the animation in the video, which of the following questions can be answered using the data in the animation?

Note: CO2 is Carbon Dioxide

• What is the largest source of CO2 pollution on Earth?

• During which month is there the most CO2 in the atmosphere?

• How has the amount of CO2 in the atmosphere changed over a long period of time?

• What will be the long term impact of CO2 on climate change?

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According to the graph, which of the following best describes the trend in atmospheric CO2 from 2007-2022.

• CO2 increased from 380 ppm-420 ppm

• CO2 increased from 2007 ppm to 2022 ppm

• CO2 decreased between the years 2007 to 2022

• CO2 has increased exponentially from 2007 to 2022

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According to the graph, which of the following best describes the trend in the data?

• CO2 levels today are significantly higher than any point in the last 800,000 years

• CO2 levels today are equivalent to the peaks in previous cycles

• CO2 levels in the past were significantly higher than today.

• The pattern of cycling between high and low CO2 levels is the same now as it was in the past.

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According to the table, which of the following had the greatest contribution of CO2 emissions to the atmosphere?

• Commercial

• Industrial

• Transportation

• Electric Power Generation

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According to the model, which of the following best describe the net inputs and outputs of trees?

Note: CO2 = Carbon Dioxide || O2 = Oxygen

• Trees input CO2 and output O2

• Trees input O2 and output O2

• Trees input O2 and CO2 in equal amounts

• Trees output O2 and CO2 in equal amounts