Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 25, Problem 5TYU
Summary Introduction
Introduction:
When one organism lives into the body of another organism, it is known as endosymbiosis. The other organism is called a host cell.
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Which group is correctly paired with its description?
A. diatoms-important consumers in aquatic communities
B. diplomonads-protists with modified mitochondria
C. apicomplexans -producers with intricate life cycles
D. red algae-acquired plastids by secondary endosymbiosis
Which group is incorrectly paired with its description?(A) diatoms—important producers in aquatic communities(B) red algae—eukaryotes that acquired plastids by secondaryendosymbiosis(C) apicomplexans—unicellular parasites with intricate life cycles(D) diplomonads—unicellular eukaryotes with modifiedmitochondria
Which of these protists is hypothesized to be ancestral to animals?
a. a green algal protist b. a choanoflagellate c. an amoeboid protistd. a slime mold
Chapter 25 Solutions
Campbell Biology in Focus (2nd Edition)
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. 25.4 - 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 25.9,...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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- Which parasitic protist evades the host immune system by altering its surface proteins with each generation? a. Paramecium caudatum b. Trypanosoma brucci c. Plasmodium falciparum d. Phytophthora infrstansarrow_forwardProtists with the capabilities to absorb nutrients from dead organisms are called ______. a. photoautotrophs b. autotrophs c. saprobes d. heterotrophsarrow_forwardSome _______ are bioluminescent and other live inside the bodies of corals. a. red algae b. diatoms c dinoflagellates d. radiolariaarrow_forward
- What term describes the close association of a fungus with the root of a tree? a. arhizoid b. a lichen c. a mycorrhiza d. anendophytearrow_forwardProtists with the capabilities to perform photosynthesis and to absorb nutrients from dead organisms are called ______________. a. photoautotrophs b. mixotrophs c. saprobes d. heterotrophsarrow_forwardCompare and contrast the cell structures of metamonads to alveolate protists.arrow_forward
- Based on the diagram, which of the following pairs of organisms have the closest evolutionary relationship? A. Radiolarians and Forams B. Diatoms and Euglenozoans C. Ciliates and Radiolarians D. Diplomonads and Euglenozoansarrow_forwardProtists that may lack mitochondria and possess deep oralgrooves are known asa. excavates.b. apicomplexans.c. alveolates.d. amoeboids.e. ciliates.arrow_forwardGive at least Three(3) protist that have impact to human life. Explain your answer.arrow_forward
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