Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 21, Problem 4TYU
According to the hypothesis of serial endosymbiosis, (a) life originated from nonliving matter (b) the pace of evolution quickened at the start of the Cambrian period (c) chloroplasts, mitochondria, and possibly other organelles originated from intimate relationships among prokaryotic cells (d) banded iron formations reflect the buildup of sufficient oxygen in the atmosphere to oxidize iron at Earth’s surface (e) the first photosynthetic organisms appeared 3.1 bya to 3.5 bya
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Chapter 21 Solutions
Biology (MindTap Course List)
Ch. 21.1 - Describe the conditions that scientists think...Ch. 21.1 - Compare the prebiotic soup hypothesis with the...Ch. 21.1 - Prob. 1CCh. 21.1 - How does the ironsulfur world hypothesis differ...Ch. 21.2 - Outline the major steps hypothesized to have...Ch. 21.2 - Explain how the evolution of photosynthetic...Ch. 21.2 - Prob. 5LOCh. 21.2 - Prob. 1CCh. 21.2 - Prob. 2CCh. 21.2 - VISUALIZE Draw a simple sketch illustrating the...
Ch. 21.3 - Briefly describe the distinguishing organisms and...Ch. 21.3 - What is the correct order of appearance in the...Ch. 21.3 - Prob. 2CCh. 21.3 - What is the correct order of appearance in the...Ch. 21 - Energy, the absence of molecular oxygen, chemical...Ch. 21 - Prob. 2TYUCh. 21 - Prob. 3TYUCh. 21 - According to the hypothesis of serial...Ch. 21 - Prob. 5TYUCh. 21 - Prob. 6TYUCh. 21 - Prob. 7TYUCh. 21 - The time of greatest evolutionary diversification...Ch. 21 - Prob. 9TYUCh. 21 - The Age of Reptiles corresponds to the (a)...Ch. 21 - Evidence exists that a catastrophic collision...Ch. 21 - Flowering plants and mammals diversified and...Ch. 21 - Prob. 13TYUCh. 21 - EVOLUTION LINK If you were studying how...Ch. 21 - EVOLUTION LINK If living cells were produced in a...Ch. 21 - EVOLUTION LINK Why did the evolution of...Ch. 21 - INTERPRET DATA Evidence for the oldest...
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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
- What do the multiple branching points at the root of the eukaryotic phylogenetic tree indicate about the evolution of eukaryotes? A. that unikonts are derived from the SAR clade B. that Archaeplastids were the first eukaryotes C. that fungi are more closely related to plants than animals D. that eukaryotes are all descended from a common ancestorarrow_forwardTo what does the Cambrian “explosion” refer?arrow_forwardIn the late 1960s (and since), Lynn Margulis (and others) provided considerable evidence for the endosymbiotic theory of the origin of various organelles in eukaryotic cells.What is the endosymbiotic theory? Which two eukaryotic organelles were proposed to have arisen as endosymbionts? What evidence did Margulis present to support each organelle as an endosymbiont?arrow_forward
- How would the appearance of protocells have represented a key step in the origin of life?arrow_forwardFossilized stromatolites(A) formed around deep-sea vents.(B) resemble structures formed by bacterial communities that are found today in some shallowmarine bays.(C) provide evidence that plants moved onto landin the company of fungi around 500 million years ago.(D) contain the first undisputed fossils of eukaryotes.arrow_forwardThe concept of endosymbiosis as applied to chloroplast and mitochondria found in eukaryotes: a) is based on evidence that Chloroplasts and Mitochondria were originally prokaryotes, b) changes present day animals into plants, c) explains how chemical evolution caused the appearance of life, d) allowed chloroplasts to carry out aerobic metabolism, e) all are true.arrow_forward
- The Cambrian explosion is a conundrum: how can the long prior history of the phyla, revealed by molecular divergence, be reconciled with their absence, and then sudden appearance, in the fossil record?arrow_forwardWhat is the correct order of appearance in the fossil record, starting with the earliest: eukaryotic cells, multicellular organisms, prokaryotic cells?arrow_forwardWhat do you think geologists would find in the rock record as evidence of human life today million years later? Do you think we will leave a lot of traces and evidences of our existence in the fossil record?arrow_forward
- Why would a rise in the availability of oxygen help explain why the Cambrian explosion occurred?arrow_forward-How long is the time span between the appearance of free atmospheric oxygen and evidence of complex (multicellular) forms? -How much time is there between complex forms and the Cambrian Explosion?arrow_forwardDuring what geologic period did life on Earth begin?arrow_forward
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Endosymbiotic Theory; Author: Amoeba Sisters;https://www.youtube.com/watch?v=FGnS-Xk0ZqU;License: Standard Youtube License