Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
3rd Edition
ISBN: 9780134895727
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky
Publisher: PEARSON
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Chapter 25, Problem 4TYU
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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What genus of protists appears to contradict the statement that unicellularity restricts cell size? a. Dictyostelium b. Ulva c. Plasmodium d. Caulerpa
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
Identify from the list below the protists that function almost like multicellular organisms when food is depleted, forming a multicellular mass that forms fruiting bodies.
A.
slime molds
B.
oomycetes
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cercozoans
D.
diatoms
Chapter 25 Solutions
Campbell Biology In Focus, Loose-leaf Edition (3rd 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. 25.3 - 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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- The presence of a contractile vacuole indicates that a single-celled protist _______. a. is marine c. is photosynthetic b. lives in fresh water d. secretes a toxinarrow_forwardMatch the description with the termarrow_forwardChoose all of the following that exhibit an alternation of multicellular generations. a. Dinoflagellates b. Brown algae c. Red algae d. Diatomsarrow_forward
- Which type of protist shows characteristics that make it difficult to classify as either plant-like or animal-like? 1.Diatom 2.Amoeba 3.Euglenoid 4.Ciliatesarrow_forwardWhich statement about protists is true? a. Protists have many different metabolic lifestyles. b. Almost all protists are parasitic. c. All protists use pseudopods or cilia to locomote. d. All marine protists rid themselves of excess water by means of contractile vacuoles. e. Protists are found only in aquatic habitats.arrow_forwardWhich protist group exhibits mitochondrial remnants with reduced functionality? a. slime molds b. diatoms c. parabasalids d. dinoflagellatesarrow_forward
- In which class does Plasmodium reside?A. AmoebaeB. ApicomplexaC. CiliatesD. Flagellatesarrow_forwardWhich of the following protist exhibit the discoid type of mitochondrial cristae? A. trypanosoms B. diatoms C. oomycete D. brown algaearrow_forwardSelect all statements that are true about the kindom protista: I. They are mostly unicellular Eukaryotes II. Protists are the most nutrionally diverse of all eukaryotes III. Red algae and green algae are included in this kingdom IV. All protist are multicellular in naturearrow_forward
- Which of the following representative protists is NOT correctly matched with respect to their locomotion? I. Paramecium:cilia IV. Dinoflagellate: flagella II. Euglena: flagella V. Vorticella: pseudopodia III. Amoeba: sporozoa 2.Effective work with the viruses depended upon the development of the A. light microscope B. ultraviolet light microscope C. dark-field microscope D. electron microscopearrow_forward1. It refers to the glass like siliccaeous wall of the diatoms. 2. It refers to the upper portion of the silicaceous body of the diatom. 3. Diatom types that is bilaterally symmetrical. 4. These refer to the asexual spores of the genus Saprolegnia. 5. Specialized blade structures for buoyancy in the brown algae. 6. An inner saclike membrane system that defines the group of the dinoflagellates, ciliates and apicomplexan protists. 7. In Plasmodium sp. this stage of the life cycle occurs in the vertebrate host. 8. The development of the Plasmodium gametes occur in what specific vector. 9. It refers to the reproductive structures in the genus Fucus containing antheridia or archegonia or both. 10.In some species of brown algae, asexual spores develop in this structure. 11.It refers to the diploid sexual spores of the Saprolegnia. 12.In Phaeophytes, this refers to the alternation of generation between morphologically similar sporophyte and gametophye generation. 13. The organism where some…arrow_forwardOscillatoria is a thread-shaped Cyanobacteria, while Spirogyra is a thread-shaped Protist. Make a table the difference!arrow_forward
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