Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 35, Problem 14PIAT
Summary Introduction
To analyze:
Whether plants will be able to survive in the rising carbon dioxide (CO2) environment or not.
Introduction:
It is predicted that periods of drought will increase in some regions in the global climate change era. Climate change is a generic term, which includes a change in the temperature and rainfall pattern all over the world. The temperature has mainly shifted toward the higher end, which is popularly known as global warming.
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Please answer question 23
Which of these hypotheses does not explain why increased CO2 levels in the atmosphere could cause a decrease in the productivity of some crops because of changes in climate?
A) There could be increases in average winter temperatures that reduce the growth of crops.
B) There could be decreases in precipitation in some regions that reduce growth in some crops.
C) There could be shifts in the ranges of some important species in the community, such as pollinators, that cause reduction of growth in some crops.
Plants vary widely in how they allocate biomass to roots, leaves and stems.
Two key measures of plant allocation in an ecosystem context are leaf area index
(LAI) and the root to shoot ratio.
a) Define each of these measures and discuss how variation in each measure can
influence net primary production (NPP).
b) Pick one of the measures and discuss how and why you would expect it to vary in
relation to an abiotic factor of your choice. Underline the abiotic factor you choose.
Chapter 35 Solutions
Biological Science (6th Edition)
Ch. 35 - CAUTION A cell is placed in a solution that is...Ch. 35 - What important role does the Casparian strip play...Ch. 35 - Prob. 3TYKCh. 35 - Why is the transport of phloem sap considered an...Ch. 35 - Prob. 5TYUCh. 35 - Prob. 6TYUCh. 35 - Prob. 7TYUCh. 35 - Prob. 8TYUCh. 35 - Prob. 9TYPSSCh. 35 - Prob. 10TYPSS
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