Biology: The Unity and Diversity of Life (Looseleaf)
15th Edition
ISBN: 9781337408417
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 19, Problem 8SQ
The evolution of _______ resulted in the eventual formation of the ozone layer.
- a. DNA based genomes
- b. aerobic respiration
- c. sexual reproduction
- d. oxygen-producing photosynthesis
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Chapter 19 Solutions
Biology: The Unity and Diversity of Life (Looseleaf)
Ch. 19 - Antibiotic Effects on Mitochondria Tetracyclines...Ch. 19 - Antibiotic Effects on Mitochondria Tetracyclines...Ch. 19 - Antibiotic Effects on Mitochondria Tetracyclines...Ch. 19 - Antibiotic Effects on Mitochondria Tetracyclines...Ch. 19 - Which of the following is NOT true of conditions...Ch. 19 - An abundance of _______ in Earth's early...Ch. 19 - Stanley Miller's experiment demonstrated that...Ch. 19 - According to one hypothesis, negatively charged...Ch. 19 - The prevalence of _______ in living organisms is...Ch. 19 - Prob. 6SQ
Ch. 19 - Among prokaryotes, only the cyanobacteria _______....Ch. 19 - The evolution of _______ resulted in the eventual...Ch. 19 - Evolution of _______ increased the energy...Ch. 19 - Infoldings of the plasma membrane into the...Ch. 19 - The host cell in the endosymbiosis that produced...Ch. 19 - A stromatolite is a structure __________ . a....Ch. 19 - Prob. 13SQCh. 19 - Which of the following events did NOT occur during...Ch. 19 - Chronologically arrange the evolutionary events,...Ch. 19 - Researchers looking for fossils of the earliest...Ch. 19 - The astronomer Carl Sagan once said, "We are made...Ch. 19 - How did the evolution of oxygen-releasing...Ch. 19 - Just as all life shares a last universal common...
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- A rise in oxygen in Earths air and seas set the stage for the evolution of _______. a. aerobic respiration c. photosynthesis b. fermentation d. sexual reproductionarrow_forwardWhich of the following was likely MOST important for life to begin existing on Earth? A. sunlight B. DNA C. a source of oxygen D. a source of energyarrow_forwardChloroplasts of green algae evolved from_____ . a. cyanobacteria b. archaea c. red algaearrow_forward
- The fossil record shows how ________________ a. dead organisms were buried b. organisms have changed over time and when organisms lived on Earth c. parents of the offsprings d. evolution occurredarrow_forwardLife first appeared on Earth ___________ of years ago.Choose one: A. billions B. hundreds of thousands C. thousands D. millionsarrow_forwardPhotosynthesis carried out by one group of ________ resulted in Earths first increase in atmospheric oxygen levels. a. archaea c. protists b. bacteria d. algaearrow_forward
- Which of the following is NOT evidence for endosymbiosis? A. Bacteria and mitochondria both have nuclei. B. Bacteria and mitochondria both have ribosomes. C. Bacteria and mitochondria both have circular DNA. OD. Bacteria and mitochondria both reproduce via binary fission E. Bacteria and mitochondria both have membranes.arrow_forwardwhy was the first mini threshold of life's evolution, photosynthesis, so important? a. it helped plants move onto land b. it transformed our atmosphere from oxygen-rich to carbon dioxide-rich c. it allowed life to spread beyond oceanic vents d. it forced organism to become multicellular to process more complex energyarrow_forwardChronologically arrange the evolutionary events with 1 being the earliest and 6 the most recent. ____ 1 a. Onset of oxygen-releasing pathway of photosynthesis ____ 2 b.Liquid water appears ____ 3 c.Origin of protocells ____ 4 d. Emmergence of the first eukaryotes ____ 5 e. Origin of chloroplasts ____ 6 f. The big bangarrow_forward
- Which of the following statements supports the concept of the endosymbiotic theory? A. Proteins may be trafficked within the endomembrane system. B. Ribosomes are present in the cytoplasm of prokaryotic cells and eukaryotic cells. C. Chloroplasts have many features in common with bacteria. D. Mitochondria can fuse together to form larger organelles within eukaryotic cells.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_forwardChloroplasts and mitochondria evolved from an endosymbioticrelationship involvinga. purple bacteria and cyanobacteria, respectively.b. cyanobacteria and purple bacteria, respectively.c. cyanobacteria.d. purple bacteria.arrow_forward
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