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The Carbon Cycle. 1. How do producers like trees, algae, and grass obtain carbon?. The Carbon Cycle. A. They get it from the ground. B. They make carbon from scratch. C. They obtain it from atmospheric CO 2. D. They convert oxygen or nitrogen into carbon.
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1. How do producers like trees, algae, and grass obtain carbon? The Carbon Cycle A. They get it from the ground. B. They make carbon from scratch. C. They obtain it from atmospheric CO2. D. They convert oxygen or nitrogen into carbon.
2. What process do producers use to fix carbon into organic compounds, like sugar? The Carbon Cycle A. Cellular respiration. B. Assimilation. C. Carbonification. D. Photosynthesis.
3. How do primary consumers like cows, beavers, and grass carp obtain carbon? The Carbon Cycle A. They get it from consuming plants. B. They make carbon from scratch. C. They obtain it from atmospheric CO2. D. They convert oxygen or nitrogen into carbon.
4. By what process do plants and animals return carbon back into the atmosphere. The Carbon Cycle A. Assimilation. B. Photosynthesis. C. Cellular respiration. CO2 D. Carbon fixation.
5. Three main types of fossil fuels are natural gas, _________ , and _________. oil coal The Carbon Cycle Want to trade places?
6. By what process does plant and animal matter become fossil fuels (coal and oil) over time? The Carbon Cycle A. Carbonification. B. Photosynthesis. C. Cellular respiration. D. Carbon fixation.
7. The process by which organic substances are broken down to the point where they become part of the soil is called The Carbon Cycle A. Carbonification. B. Consumption. C. Combustion. D. Decomposition.
8. The process by which fossil fuels are burned to produce usable energy. The Carbon Cycle A. Carbonification. B. Consumption. C. Combustion. D. Decomposition.
9 10 15 12 The Carbon Cycle 11 13 Word List Atmospheric CO2 14 Cellular Respiration Carbonification Combustion Consumption Decomposition Coal Oil Photosynthesis
16. Name a geologic process that can put an enormous amount of CO2 into the atmosphere. The Carbon Cycle Volcanism
17. Because a forest absorbs more carbon than it releases, a forest is referred to as a The Carbon Cycle A. Carbonate. B. Carbon sink. C. Saturator. D. Compost pile.
18. When does a forest stop becoming a carbon sink? The Carbon Cycle When it has been cut down or is on fire.
19. ______________________ is the act or result of cutting down or burning all the trees in an area. Deforestation The Carbon Cycle
2. Name the largest carbon sink on Earth. The Carbon Cycle Ocean waters. They currently absorb about 50% of our CO2 emissions.
21. Where does the carbon go that is absorbed by the oceans? The Carbon Cycle Some of the carbon is used by shellfish, corals, and some plankton to build their shells or exoskeletons. Oysters & clams Sea Urchins Plankton
22. As shell-bearing sea creatures die, their shells fall to the ocean floor and become sediment. Over millions of years of heat and pressure, this sediment turns into The Carbon Cycle A. Limestone. B. Sandstone. D. Granite. C. Basalt.
23. Since the beginning of the industrial revolution 250 years ago the acidity of the ocean surface waters has increased 30%. What will happen if ocean waters continue to absorb carbon dioxide? The Carbon Cycle Scientists predict by the end of the century ocean water will be 150% more acidic than it is today, which will dissolve sea shells as this experiment shows. http://www.pmel.noaa.gov/co2/story/What+is+Ocean+Acidification%3F
