EBK BIOLOGY
11th Edition
ISBN: 8220101472069
Author: Byers
Publisher: PEARSON
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Textbook Question
Chapter 27, Problem 2AC
The U.S. Endangered Species Act (ESA) seeks to increase the population of threatened species to the point where they have a self-sustaining population that no longer needs special protection. Research two species that have been listed as endangered: one that has recovered to the extent that it has been "delisted" and one that has remained on the list for more than 20 years. Based on what you have learned in this chapter, what characteristics of the two species and their environment have significantly contributed to their differing fates?
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examples of synamptomorphy
examples of synamtomorphy.
E. Bar Graph
Use the same technique to upload the completed image.
We will use a different type of graph to derive additional information from the
CO2 data (Fig A1.6.2)
1. Calculate the average rate of increase in COz concentration per year for the time intervals 1959-1969, 1969-
1979, etc. and write the results in the spaces provided. The value for 1959-1969 is provided for you as an
example.
2. Plot the results as a bar graph. The
1959-1969 is plotted for you.
3. Choose the graph that looks the most like yours
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Average Yearly Rate of
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1979-1989
1989-1999
1999-2009
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1989-1999
1979-1989
1969-1979
1959-1969
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1.0
CO, Average Increase/Year (ppmv)
B)
E BAR GRAPH We will use a different type of graph to derive…
Chapter 27 Solutions
EBK BIOLOGY
Ch. 27 - Density-independent environmental resistance...Ch. 27 - Prob. 2MCCh. 27 -
3. Which of the following did not contribute to...Ch. 27 - Prob. 4MCCh. 27 - Boom-and-bust populations a. do not experience...Ch. 27 - Graphs that plot how the numbers of individuals...Ch. 27 -
2. The type of growth that occurs in a population...Ch. 27 - The maximum population size that can be sustained...Ch. 27 - The type of spatial distribution likely to occur...Ch. 27 - A population grows whenever the number of plus...
Ch. 27 -
1. Define biotic potential, list the factors that...Ch. 27 - Write and describe the meaning of the equation for...Ch. 27 - 3. Draw, name, and describe the properties of a...Ch. 27 -
4. Define environmental resistance and...Ch. 27 -
5. What is logistic population growth? What is...Ch. 27 - Describe three different possible consequences of...Ch. 27 - Prob. 7RQCh. 27 -
8. Explain why environmental resistance has not...Ch. 27 -
9. Draw the general shape of age structure...Ch. 27 - Sketch and label the graph showing the general...Ch. 27 -
1. Research a developing country (such as...Ch. 27 -
2. The U.S. Endangered Species Act (ESA) seeks to...
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