CUSTOM BIOLOGY
19th Edition
ISBN: 9781323945490
Author: Urry
Publisher: Pearson Custom Publishing
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Chapter 29, Problem 8TYU
SCIENTIFIC INQUIRY
INTERPRET THE DATA Ihe feather moss Pleurozium schreberi harbors species of symbiotic nitrogen-fixing bacteria. Scientists studying this moss in northern forests found that the percentage of the ground surface“covered” by the moss increased from about 5% in forests that burned 35 to 41 years ago to about 70% in forests that burned 170 or more years ago From mosses growing in these forests, they also obtained the following data on nitrogen fixation:
(a) Use the data to draw a line graph, with age on the x-axis and the nitrogen fixation rate on the y-axis.
(B) Along with the nitrogen added by nitrogen fixation, about 1kg of nitrogen per hectare per year is deposited into northern forests from the atmosphere as rain and small particles. Evaluate the extent to which Pleurozium affects nitrogen availability in northern forests of different ages.
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Chapter 29 Solutions
CUSTOM BIOLOGY
Ch. 29.1 - Why do researchers identify the charophytes rather...Ch. 29.1 - Identify four derived traits that distinguish...Ch. 29.1 - Prob. 3CCCh. 29.2 - Prob. 1CCCh. 29.2 - Give three examples of how structure fits function...Ch. 29.2 - MAKE CONNECTIONS Review the discussion of...Ch. 29.3 - List the key derived traits found in monilophytes...Ch. 29.3 - Prob. 2CCCh. 29.3 - MAKE CONNECTIONS In Figure 29.12, if...Ch. 29 - Draw a phylogenetic tree illustrating our current...
Ch. 29 - Summarize the ecological importance of mosses.Ch. 29 - What trait(s) allowed vascular plants to grow...Ch. 29 - Three of the following are evidence that...Ch. 29 - Which of the following characteristics of plants...Ch. 29 - In plants, which of the following are produced by...Ch. 29 - Microphylls are found in which plant group? (A)...Ch. 29 - Suppose an efficient conducting system evolved in...Ch. 29 - Identify each of the following structures as...Ch. 29 - EVOLUTION CONNECTION DRAW IT Draw a phylogenetic...Ch. 29 - SCIENTIFIC INQUIRY INTERPRET THE DATA Ihe feather...Ch. 29 - WRITE ABOUT A THEME: INTERACTIONS Giant lycophyte...Ch. 29 - SYNTHESIZE YOUR KNOWLEDGE These stomata are from...
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