Pearson eText Life in the Universe -- I...4th EditionJeffrey Bennett, Seth Shostak Publisher: PEARSON+ISBN: 9780135234457
Pearson eText Life in the Universe -- I...
Solutions for Pearson eText Life in the Universe -- Instant Access (Pearson+)
Problem 1RQ:
What are the three lines of fossil evidence that point to an early origin of life on Earth? Discuss...Problem 2RQ:
How do studies of DNA sequences allow us to reconstruct the evolutionary history of life? What...Problem 3RQ:
Based on current evidence, what locations on Earth seem likely for the origin of life? What...Problem 4RQ:
What was the MillerUrey experiment, and how did it work? Why is its relevance now subject to...Problem 5RQ:
What do we mean by an RNA world, and why do scientists suggest that such a world preceded the...Problem 6RQ:
Briefly summarize current ideas about the sequence of events through which life may have originated...Problem 7RQ:
Briefly discuss the possibility that life migrated to Earth. Also discuss the possibility that Earth...Problem 8RQ:
Why do we think that evolution would have proceeded rapidly at first, and what fossil evidence...Problem 9RQ:
Briefly discuss the early evolution of life, from the first organisms to the development of...Problem 10RQ:
How do we think that eukaryotes evolved? What time constraints can we place on when eukaryotes first...Problem 11RQ:
What was the Cambrian explosion? Briefly discuss ideas about what might have caused it and why no...Problem 12RQ:
How and when did life colonize land? Why did it take so long after the origin of life in the oceans?Problem 13RQ:
How do we know that the early Earth could not have had an oxygen atmosphere? Where did the oxygen in...Problem 14RQ:
Summarize the history of the oxygen buildup as it is understood today, and describe key mysteries...Problem 15RQ:
What was the KT impact, and how is it thought to have led to the demise of the dinosaurs? What...Problem 16RQ:
Briefly discuss the evidence for other mass extinctions, and list a few of their possible causes.Problem 17RQ:
Discuss the threat that future impacts may pose to us and our planet, and how we know that the...Problem 18RQ:
Describe several adaptations that evolved so primates could live in trees and that have proved...Problem 22RQ:
Briefly describe two main approaches to creating artificial life. Then describe the possibility and...Problem 23TYU:
We discover evidence of life, in the form of a particular ratio of arbon-12 to carbon-13, in rock...Problem 24TYU:
We discover an intact fossil of a eukaryotic cell, with a cell nucleus, that is 3.0 billion years...Problem 25TYU:
We discover a preserved, 3.5-billion-year-old microfossil that apparently had a genome identical to...Problem 27TYU:
We discover a fossil of a large dinosaur that lived approximately 750 million years ago.Problem 28TYU:
We discover that, contrary to present belief, oxygen was abundant in Earths atmosphere at the time...Problem 29TYU:
We discover a crater from the impact of a 10-kilometer asteroid that dates to about 2500 years ago.Problem 30TYU:
We discover an asteroid about 300 meters across that is on a collision course with Earth.Problem 31TYU:
We find fossil remains of an early primate that lived about 50 million years ago and was, from all...Problem 32TYU:
The first life created in the laboratory has an RNA genome, rather than a DNA genome.Problem 33TYU:
The origin of life on Earth most likely occurred (a) before 4.5 billion years ago; (b) between about...Problem 34TYU:
The earliest living organisms probably were (a) cells without nuclei that used RNA as their genetic...Problem 36TYU:
RNA world refers to (a) the possibility that life migrated from Mars; (b) the idea that RNA was...Problem 37TYU:
Early life arose in an oxygen-free environment, but if any of these microbes had somehow come in...Problem 38TYU:
The oxygen in Earths atmosphere was originally released by (a) outgassing from volcanoes; (b)...Problem 39TYU:
The Cambrian explosion refers to (a) a dramatic increase in animal diversity beginning about 542...Problem 41TYU:
The hypothesis that an impact killed the dinosaurs seems (a) well supported by geological evidence;...Problem 42TYU:
According to the fossil evidence, modern humans (a) evolved from chimpanzees; (b) evolved on a...Problem 43POS:
Origin of Life Studies. We cannot go back in time to see exactly how life first originated on Earth,...Problem 46IF:
A Brief History of Life on Earth. Take all the ideas about the origin and evolution of life on Earth...Problem 47IF:
Geology and Life. In Chapter 4, we discussed the role of plate tectonics and the CO2 cycle in...Problem 50IF:
Impact Movie Review. Watch one of the Hollywood movies concerning the threat of an impact to our...Problem 51IF:
Artificial Life Review. Numerous science fiction stories and movies involve the creation of...Problem 52IF:
Bacterial Evolution. Suppose that a mutation occurs in about 1 out of every 1 million bacterial...Problem 53IF:
Deep in Bacteria. In Cosmic Calculations 6.1, we calculated that the volume of bacteria after 120...Problem 55IF:
Human Population Growth. During the twentieth century, human population grew with a doubling time of...Problem 56IF:
Impact Energy. Consider a comet about 2 kilometers across with a mass of 4 1012 kg. Assume that it...Browse All Chapters of This Textbook
Chapter 1 - A Universe Of Life?Chapter 2 - The Science Of Life In The UniverseChapter 3 - The Universal Context Of LifeChapter 4 - The Habitability Of EarthChapter 5 - The Nature Of Life On EarthChapter 6 - The Origin And Evolution Of Life On EarthChapter 7 - Searching For Life In Our Solar SystemChapter 8 - MarsChapter 9 - Life On Jovian MoonsChapter 10 - The Nature And Evolution Of Habitability
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LIFE IN THE UNIVERSE
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ISBN: 9780691241784
Life in the Universe, 5th Edition
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LIFE ON THE UNIVERSE
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ISBN: 9780134287614
Life in the Universe (4th Edition)
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Mastering Astronomy with Pearson eText -- Standalone Access Card -- for Life in the Universe (4th Edition)
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INSTANT ACCESS FOR LIFE IN THE UNIVERSE
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ISBN: 9780134081670
Pearson Etext Life In The Universe -- Access Card (4th Edition)
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ISBN: 9780135234204
LIFE ON THE UNIVERSE
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ISBN: 2818440044540
LIFE ON THE UNIVERSE
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ISBN: 2818440068942
EBK LIFE IN THE UNIVERSE
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ISBN: 8220101460417
Life in the Universe Plus Mastering Astronomy with Pearson eText -- Access Card Package (4th Edition) (Bennett Science & Math Titles)
4th Edition
ISBN: 9780134068404
Modified MasteringAstronomy with Pearson eText -- ValuePack Access Card -- for Life in the Universe
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ISBN: 9780134081632
EBK LIFE IN THE UNIVERSE
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ISBN: 9780134080321
Life in the Universe, Books a la Carte Plus Mastering Astronomy with Pearson eText -- Access Card Package (4th Edition)
4th Edition
ISBN: 9780134394411
Life in the Universe, Books a la Carte Edition (4th Edition)
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ISBN: 9780134287621
Life in the Universe - With Activity Manual and Access
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ISBN: 9780134575599
Life in the Universe
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ISBN: 9780134080345
Life In The Universe & Activities Manual For Life In The Universe 3/e Package (3rd Edition)
3rd Edition
ISBN: 9780321777997
Life in the Universe
3rd Edition
ISBN: 9780321687678
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