CAMPBELL BIOLOGY IN FOCUS-W/MASTR.BIO.
3rd Edition
ISBN: 9780134875040
Author: Urry
Publisher: PEARSON
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Chapter 25.1, Problem 3CC
Summary Introduction
Endosymbiosis is a process in which one of the symbiotic organism lives within the other. The studies of plastid-bearing eukaryotes propose that the plastids have progressed from a cyanobacterium which was engulfed by the heterotrophic ancestral eukaryotes. This process is termed as primary endosymbiosis. This ancestor then gets differentiated into green and red algae. Approximately some of them were subsequently submerged by the other eukaryotes and this process is referred to as secondary endosymbiosis.
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CAMPBELL BIOLOGY IN FOCUS-W/MASTR.BIO.
Ch. 25.1 - Describe major events in the evolution of early...Ch. 25.1 - Explain why eukaryotes are said to be combination...Ch. 25.1 - Prob. 3CCCh. 25.2 - Summarize the evidence that choanoflagellates are...Ch. 25.2 - MAKE CONNECTlONS Describe how the origin of...Ch. 25.2 - Prob. 3CCCh. 25.3 - Briefly describe the organisms found in each of...Ch. 25.3 - MAKE CONNECTIONS Review Figures 7.2 and 8.5...Ch. 25.3 - Prob. 3CCCh. 25.3 - Prob. 4CC
Ch. 25.4 - Justify the claim that photosynthetic protists are...Ch. 25.4 - Prob. 2CCCh. 25.4 - Prob. 3CCCh. 25 - The oldest fossil eukaryote that can be resolved...Ch. 25 - Prob. 2TYUCh. 25 - Plastids that are surrounded by more than two...Ch. 25 - Prob. 4TYUCh. 25 - Prob. 5TYUCh. 25 - Based on the phylogenetic tree in Figure 25.10,...Ch. 25 - MAKE CONNECTIONS The bacterium Wolbachia is a...Ch. 25 - FOCUS ON EVOLUTION DRAW IT Medical researchers...Ch. 25 - FOCUS ON INTERACTIONS Organisms interact with each...Ch. 25 - SYNTHESIZE YOUR KNOWLEDGE These micrographs show...
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