Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 59, Problem 5TY
Summary Introduction
Introduction: The nitrogen cycle is an important biogeochemical cycle which comprises five major parts. The five major parts of the nitrogen cycle are nitrogen fixation, nitrification, assimilation, ammonification, and denitrification.
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Which of the following is a process of the nitrogen cycle that involves the conversion of nitrogen gas to ammonia?
a.Nitrogen fixation
b.Nitrification
c.Ammonification
d.Denitrification
Which statement offers the best explanation of how deforesting hubbard brooks watershed (W2) affected the nitrogen cycle?
1. Denitrification rates increased, resulting in a decrease in the export of ammonium
2. Microbial immobilization rates increased, resulting in a decline in stream nitrogen
3. Mineralization rates increased, causing the export of ammonium to increase
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Define the following terms: a. nitrogen fixation b. MoFe protein c. Fe protein d. nitrogen assimilation e. dead zone
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