Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 18.2, Problem 1CYL
- describe scenarios for the major evolutionary events and innovations that occurred during the period in which all organisms were single celled, including the origins of photosynthesis, atmospheric oxygen, aerobic respiration, and eukaryotic organelles?
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Chapter 18 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 18.1 - describe a likely scenario for the origin of life?Ch. 18.1 - How Would the experiments result charge if oxygen...Ch. 18.1 - describe, for each step in the scenario, some...Ch. 18.2 - describe scenarios for the major evolutionary...Ch. 18.2 - Uranium-235, with a half-life of 713 million...Ch. 18.2 - State the order in which these events occurred,...Ch. 18.2 - Scientists have identified a free living bacterium...Ch. 18.3 - describe fossil evidence of the earliest...Ch. 18.3 - describe the advantages that fostered the origin...Ch. 18.3 - Prob. 3CYL
Ch. 18.4 - Can ancient DNA reveal the secrets of dinosaur...Ch. 18.4 - describe the transitions and innovations...Ch. 18.4 - Prob. 1TCCh. 18.4 - Although it may never be possible to recover DNA...Ch. 18.4 - describe the advantages gained by the first plants...Ch. 18.4 - Does the mudskippers ability to walk on land...Ch. 18.5 - explain how extinction has affected the course of...Ch. 18.5 - Scientists have cloned a number of animal species,...Ch. 18.5 - describe the likely causes of mass extinctions in...Ch. 18.6 - We might be able to more easily distinguish...Ch. 18.6 - The unexpected discovery that humans interbred...Ch. 18.6 - describe the evolutionary history of humans and...Ch. 18.6 - Paleontologists recently discovered fossil...Ch. 18.6 - name and describe some characteristics of the...Ch. 18.6 - describe the key features of the most recent phase...Ch. 18 - Extinctions have occurred throughout the history...Ch. 18 - Because there was no oxygen in the earliest...Ch. 18 - Almost all of the oxygen gas in todays atmosphere...Ch. 18 - What is the evidence that life might have...Ch. 18 - In biological terms, what do you think was the...Ch. 18 - The molecule _________ became a candidate for the...Ch. 18 - Extinction a. generally does not occur except...Ch. 18 - How did the origin of photosynthesis affect...Ch. 18 - Complex cells that contain a nucleus and other...Ch. 18 - In the endosymbiotic origin of the mitochondrion,...Ch. 18 - Explain the endosymbiont hypothesis for the origin...Ch. 18 - The Sperm of early land plants had to reach the...Ch. 18 - Which of the following does not list evolutionary...Ch. 18 - Name two advantages of multicellularity for plants...Ch. 18 - Prob. 5FIBCh. 18 - Prob. 5MCCh. 18 - What advantages and disadvantages would...Ch. 18 - Prob. 6FIBCh. 18 - Prob. 6RQCh. 18 - Prob. 7FIBCh. 18 - Prob. 7RQ
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- Why did the evolution of multicellular organisms such as plants and animals have to be preceded by the evolution of oxygen-producing photosynthesis?arrow_forwardWould the evidence suggest that mitochondria or chloroplasts were the first to evolve through endosymbiosis?arrow_forwardBased on the accompanying evolutionary tree, which prokaryotic domain gave rise to the domain Eukarya? Which kingdom in domain Eukarya gave rise to plants, animals, and fungi?arrow_forward
- Diagram the endosymbiotic theory of the origin of mitochondria and chloroplastsarrow_forwardChronologically 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_forwardDo plants and animals have a common multicellular ancestor?arrow_forward
- Describe the step-wise process of how inorganic matter on primitive Earth evolved into multicellular, eukaryotic cells. Be sure to provide enough detail with each step and make sure you cover inorganic, organic, protocells, prokaryotic, energetics, eukaryotic, and multi-cellularityarrow_forwardExplain the endosymbiont hypothesis for the origin ofchloroplasts and mitochondria.arrow_forwardCompare and contrast the evolutionary theory and creationism theory on the origin of life molecules, the origin of prokaryotes, and the origin of eukaryotes.arrow_forward
- Describe in general terms how the appearance of molecular oxygen in Earth’s atmosphere about 3 billion years ago affected the history of living organisms.arrow_forwardHow the evolution of oxygen was involved in the initial evolution of terrestrial life?arrow_forwardExplain the Evolutionary relationship of the eukaryotic supergroups ?arrow_forward
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Endosymbiotic Theory; Author: Amoeba Sisters;https://www.youtube.com/watch?v=FGnS-Xk0ZqU;License: Standard Youtube License