Study Guide for Campbell Biology
Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 28, Problem 2TYK

According to the theory of secondary endosymbiosis,

  1. a. multicellularity evolved when primitive cells incorporated prokaryotic cells that then took on specialized functions.
  2. b. the symbiotic associations found in coral result from the incorporation of dinoflagellates into coral animals.
  3. c. eukaryotic cells descended from cells that had obtained their plastids through endosymbiosis were engulfed and themselves became plastids in heterotrophic eukaryotic cells.
  4. d. mitochondria originated first from a heterotrophic prokaryotic endosymbiont; plastids originated from a secondary endosymbiosis of a photosynthetic prokaryote.
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Endosymbiotic Theory; Author: Amoeba Sisters;https://www.youtube.com/watch?v=FGnS-Xk0ZqU;License: Standard Youtube License