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 53, Problem 10TYPSS
During the Carboniferous period, rates of decomposition slowed even though plant growth was extensive (probably due to the formation of vast, oxygen-poor swamp habitats). As a result, large amounts of biomass accumulated in terrestrial environments (much of this biomass is now coal). The fossil record indicates that atmospheric oxygen increased, atmospheric carbon dioxide decreased, and global temperatures dropped. Explain why.
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Chapter 53 Solutions
Biological Science (6th Edition)
Ch. 53 - What is the main global reservoir of nitrogen?Ch. 53 - Prob. 2TYKCh. 53 - Prob. 3TYKCh. 53 - Devegetation has what effect on ecosystem...Ch. 53 - Prob. 5TYUCh. 53 - Explain why decomposition rates in a field in...Ch. 53 - Why are the open oceans nutrient poor? Why are...Ch. 53 - Prob. 8TYUCh. 53 - Prob. 9TYPSSCh. 53 - During the Carboniferous period, rates of...
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- We live in the Cenozoic era, and scientists know more about this era and the epochs it’s divided into than any other time period. Why is this? A. We know more about the Cenozoic era because this is the only era that has had a wide diversity of species living on Earth. B. We know more about the Cenozoic era because this is the most recent time period in the history of the Earth, and we have more information available to study. C. We know more about the Cenozoic era because the planet’s poles reversed magnetic fields at the beginning of this era. D. We know more about the Cenozoic era because fossils don’t exist to document previous eras.arrow_forwardFigure 5 illustrates the distribution of fossils in undisturbed layers of silt at the bottom of the ocean. Which statement is true based on Figure 5? Figure 5 Ocean Layer A Layer B Layer Carrow_forwardWhy was it believed that life began in the seas and not in land or air? * Land and air were inhospitable places for life during the Hadean Eon. Land and air were inhospitable places for life during the Archean Eon. Land and air were inhospitable places for life during the Phanerozoic Eon. Land and air were inhospitable places for life during the Proterozoic Eon.arrow_forward
- How the evolution of oxygen was involved in the initial evolution of terrestrial life?arrow_forwardVolcanic ash can be used to date fossil finds because each time it is expelled by an eruption it has the same relative proportions of radioactive isotopes. True or Falsearrow_forwardA. How old is the Earth? B. How long did the longest eon (so far) last? C. How many years ago did the most recent epoch begin? D. How many mass extinction events has the Earth witnessed so far?arrow_forward
- please explain A drawback of the time hypothesis to explain the variation in species richness is that 1. Cannot account for algal diversity. 2. Fossils do not preserve well in the oceans. 3. Geological activity may interfere with species richness measurements. 4. It is not applicable to marine ecosystems because there was no glaciation in oceans. 5. Humans significantly modified marine environments.arrow_forwardArrange these events in order of occurrence, with 1 being the earliest and 6 the most recent: ___1 a. Earths first seas form ___2 b. origin of mitochondria ___3 c. first protocells form ___4 d. Precambrian ends ___5 e. origin of chloroplasts ___6 f. first animals appeararrow_forwardWhy does the burning of fossils fuel have such a drastic impact on the atmospheric carbon reservoirarrow_forward
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