BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 18, Problem 15SA
Arrange these events in order of occurrence, with 1 being the earliest and 6 the most recent:
___1 | a. Earth’s 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 appear |
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Chronologically arrange the evolutionary events with 1 being the earliest and 6 the most recent.
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Which of the following theories as regards the origin of life on earth is accepted today?
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Chapter 18 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 18 - An abundance of___________ in Earths early...Ch. 18 - The first interval of Earths existence is called...Ch. 18 - The prevalence of ironsulfur cofactors in...Ch. 18 - Miller and Urey created a reaction chamber that...Ch. 18 - RNA in ribosome catalyzes formation of peptide...Ch. 18 - By one hypothesis, clay________. a. facilitated...Ch. 18 - Photosynthesis carried out by one group of...Ch. 18 - Mitochondria are most closely related to...Ch. 18 - The presence of ozone in the upper atmosphere...Ch. 18 - A ribozyme consists of ___________. a. clay c. DNA...
Ch. 18 - A rise in oxygen in Earths air and seas set the...Ch. 18 - Which of the following was not present by the end...Ch. 18 - The first chloroplasts evolved from ___________....Ch. 18 - During the Precambrian, _______. a. atmospheric...Ch. 18 - Arrange these events in order of occurrence, with...Ch. 18 - Researchers looking for fossils of the earliest...Ch. 18 - Rickettsia bacteria always live as parasites...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Chronologically arrange the evolutionary events, with 1being the earliest and 6 the most recent.___ 1 a. onset of oxygen-releasing___ 2 pathway of photosynthesis___ 3 b. liquid water appears___ 4 c. origin of protocells___ 5 d. emergence of the first___ 6 eukaryotes e. origin of chloroplasts f. the big bangarrow_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_forwardWhich of the following do not provide evidence that a meteor strike was a partial cause of the Cretaceous-Paleogene mass extinction? a. A potential meteor crater off the coast of Mexico b. High layers of iridium in soil deposits in the geologic record at that time c. Shocked quartz was formed in large quantities at that time around the potential impact site d. An ozone hole appeared in the atmosphere at the time of the meteor strikearrow_forward
- Martian meteorites found in Antarctica were determined to possibly contain life. Scientists looked skeptically at these meteorites because a. their results suggest unusual chemical signatures that do not indicate life. b. features thought to be Martian fossils could be nonbiochemical formations. c. it is impossible for a piece of the Martian surface to fall to Earth. d. both a and b are true.arrow_forwardScientists think that terrestrial life probably originated in Earth's oceans becauseChoose one: A. energy was available there. B. all of the chemical pieces were there. C. All of the possible answers are correct. D. the earliest evidence for life on Earth comes in ocean-dwelling forms.arrow_forwardOn the geologic time scale, life originated in the_____ . a. Archean c. Phanerozoic b. Proterozoic d. Cambrianarrow_forward
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- Researchers looking for fossils of the earliest life-forms face many hurdles. For example, few sedimentary rocks date back more than 3 billion years. Review what you learned about plate tectonics in Section 16.5. Then, explain why so few remaining samples of these early rocks remain.arrow_forwardArrange these events in order of occurrence, with 1 being the earliest and 6 the most recent. First protocell form Origin of mitochondria Origin of chloroplasts First animals appear Earth's first sea form Precambrian ends A noltesuparrow_forwardWe 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_forward
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