EBK CAMPBELL BIOLOGY IN FOCUS
2nd Edition
ISBN: 8220101459299
Author: Reece
Publisher: PEARSON
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Chapter 43, Problem 7TYU
DRAW IT (a) Estimate the average CO2 concentration in 1975 and in 2012 using the data provided in Figure 43.25. (b) On average, how rapidly did CO2 concentrations increase (ppm/yr) from 1975 to 2012? (c) Estimate the approximate CO2 concentration in 2100, assuming that the CO2 concentration continues to rise as fast as it did from 1975 to 2012. (d) Draw a graph of average CO2 concentration from 1975 to 2012 and then use a dashed line to extend the graph to the year 2100. (e) Identify the ecological factors and human decisions that might influence the actual rise in CO2 concentration. (f) Discuss how additional scientific data could help societies predict this value.
Figure 43.25 Increase in atmospheric carbon dioxide concentration at Mauna Loa, Hawaii, and average global temperatures.
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This is the Keeling Curve, the record of atmospheric
CO2 as measured at Mauna Loa, Hawaii, over the last
several decades. What do the small oscillations in this
curve reflect?
November 18, 2021
Carbon dioxide concentration at Mauna Loa Observatory
420
410
Full Record ending November 18, 2021
400
390
380
370
360
350
340
8 330
320
310
1960
2000
1965
1970
1975
1980
1985
1990
1995
2005
2010
2015
2020
O a.
The change in the direction of ocean breezes
over Hawaii
b.
Annual cycles, driven by the seasonal pattern
of photosynthesis in the Northern Hemisphere
O c. The episodic outgassing of the Mauna Loa
volcano where the observatory is located
d. Annual cycles, driven by CO2 incorporation into
glaciers in winter
Co, Concentration (ppm)
Co2 & Temperature (1964 to 2008)
400
0.7
390
0.6
380
0.5
370
0.4
360 -
+ 0.3
350
+ 0.2
340
+ 0.1
330
320
-0.1
Temperature
- CO2 (ppm)
310
-0.2
300
-0.3
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Summarize the trend between carbon dioxide in the atmosphere and global temperatures shown by this graph.
(Hint- ignore the smaller changes from year to year and focus on the overall trend from 1964 to 2008)
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Compare the two microhabitats based on the Net Primary Production (NPP), Community Respiration (CR), and Gross Primary Product (GPP).Reference:https://www.youtube.com/watch?v=ZdgGQ5BpK-0
Chapter 43 Solutions
EBK CAMPBELL BIOLOGY IN FOCUS
Ch. 43.1 - Prob. 1CCCh. 43.1 - Prob. 2CCCh. 43.1 - WHAT IF? Imagine two populations of a fish...Ch. 43.2 - How does the reduced genetic diversity of small...Ch. 43.2 - Prob. 2CCCh. 43.2 - WHAT IF? In 2005, at least ten grizzly bears in...Ch. 43.3 - Prob. 1CCCh. 43.3 - Prob. 2CCCh. 43.3 - Prob. 3CCCh. 43.4 - How can the addition of excess mineral nutrients...
Ch. 43.4 - MAKE CONNECTIONS There are vast stores of organic...Ch. 43.5 - Prob. 1CCCh. 43.5 - Prob. 2CCCh. 43.6 - Prob. 1CCCh. 43.6 - Prob. 2CCCh. 43.6 - WHAT IF? Suppose a new fishery is discovered, and...Ch. 43 - One characteristic that distinguishes a population...Ch. 43 - Prob. 2TYUCh. 43 - Prob. 3TYUCh. 43 - Prob. 4TYUCh. 43 - Prob. 5TYUCh. 43 - Prob. 6TYUCh. 43 - DRAW IT (a) Estimate the average CO2 concentration...Ch. 43 - Prob. 8TYUCh. 43 - FOCUS ON EVOLUTION The fossil record indicates...Ch. 43 - Prob. 10TYUCh. 43 - SYNTHESIZE YOUR KNOWLEDGE Big cats, such as the...
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- Pick one of the three sections marked in the graph (A, B, or C) and explain why you see the trend that is shown in that time period.arrow_forwardprovide a brief overview of the three main greenhouse gas mitigation strategies for transportation [sperling nd cannon, 2009] and discuss any four factors that could promote the adoption of electric vehicles in ghana, as outlined in laala [2019]arrow_forwardSuggest some possible implications of the phenomenon shown in the table (e.g. for the fishing industry or drainage basin management). Explain why these interpretations are not as reliable as the data itself.arrow_forward
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