Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Textbook Question
Chapter 28, Problem 5TY
What organisms have tertiary plastids?
- a. certain stramenopiles
- b. certain euglenoids
- c. certain cryptomonads
- d. certain opisthokonts
- e. certain dinoflagellates
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Chapter 28 Solutions
Biology
Ch. 28.1 - An Introduction to Protists Core Skill:...Ch. 28.2 - Prob. 1CCCh. 28.2 - Evolution and Relationships Concept Check: How do...Ch. 28.2 - Evolution and Relationships Concept Check: How do...Ch. 28.2 - Prob. 4CCCh. 28.2 - Prob. 5CCCh. 28.3 - Prob. 1EQCh. 28.3 - Prob. 2EQCh. 28.4 - Prob. 1CCCh. 28.4 - Prob. 2CC
Ch. 28.4 - Core Skill: Modeling The goal of this modeling...Ch. 28 - Prob. 1TYCh. 28 - Prob. 2TYCh. 28 - Prob. 3TYCh. 28 - Prob. 4TYCh. 28 - What organisms have tertiary plastids? a. certain...Ch. 28 - What is surprising about mixotrophs? a. They have...Ch. 28 - What advantages do diatoms obtain from sexual...Ch. 28 - What are extrusomes? a. hairs on flagella b....Ch. 28 - Prob. 9TYCh. 28 - Prob. 10TYCh. 28 - Prob. 1CQCh. 28 - Why have molecular biologists sequenced the...Ch. 28 - Core Concept: Science and Society Why are the...Ch. 28 - Prob. 1COQCh. 28 - Prob. 2COQ
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- Some _______ are bioluminescent and other live inside the bodies of corals. a. red algae b. diatoms c dinoflagellates d. radiolariaarrow_forward1. How is genetic variation generated in ciliates? When * A. a micronucleus replicates its genome many times and becomes a macronucleus. B. isogametes fuse. C. micronuclei are exchanged in conjugation. D. oogamous sexual reproduction occurs. 2. Which of the following does not ascribe to phytoplankton? They * A. are the main food source for coral reef communities. B. form the basis of most marine food chains. C. include the radiolarians and forams. D. are drifting community of organisms. 3. Which of the following protoctist phyla is incorrectly paired with its pigments? * A. Phaeophyta-fucoxantin B. Euglenophyta-chlorophyll b C. Rhodophyta-phycoerythrin D. Dinoflagellata-fucoxanthin and chlorophyll carrow_forwardIn Chlamydomonas, the adult vegetative cella. is haploid.b. survives harsh environments.c. produces zygospores.d. is dormant.e. is ciliated.arrow_forward
- Dikaryotic cells A. contain two nuclei per cell B. produce two spores per hypha C. contain diploid nuclei D. have two hyphae per fruiting body E. contain pairs of homologous chromosomesarrow_forward25. Which of the following is the protein strip found underneath cell membrane in protists? A. Cell wall B. Cilia C. Flagella D. Pellicle E. Ribosomes 26. The majority of protists are motile. A. True B. False 27. Which of the following is a sexual reproduction mechanism found in protists? A. Binary fission B. Budding C. Meiosis D. Multiple fission E. All of the above. 28 Many protist species can switch from asexual to sexual reproduction when necessary. A. True B. False 29. Which of the following is NOT true of sexual reproduction in protists? A. Often linked to nutrient depletion B. May be triggered by environmental changes C. Often associated with cysts D. Cysts are resistant to temperature extremesarrow_forwardWhich of the following is NOT true of protists? Select one: a. Some are unicellular. b. They may be photosynthetic. c. They are usually aerobic, though some are not. d. They may have cell walls. e. They may be prokaryotic.arrow_forward
- Which 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_forwardWhat are the division and medical importance of A. Euglenoids B. Rhodophyta C. Chlorophyta D. Diatoms E. Dinoflagellates F. Phaeophytaarrow_forwardDiatoms are commonly misidentified as: A. Amebic trophozoites B. Protozoan cysts C. Helminth eggs D. Entamoeba histolytica cysts E. Nematode egg Pollen grains are commonly misidentified as: A. Amebic trophozoites B. Protozoan cysts C. Helminth eggs D. Entamoeba histolytica cysts E. Nematode eggarrow_forward
- The wall dividing individual cells in a fungal filament is called a a. thallus b. hypha c. mycelium d. septumarrow_forwardCiliates like Paramecium, Tetrahymena, and Vorticella are chemoheterotrophs from which group of only single-celled organisms? a. Chlorophyta b. Oomycota c. Phaeophyta d. Protozoa e. Euglenoids f. Ascomycota g. Archaeaarrow_forwardWhich of the following statements are true about Dinoflagellates? Select one or more: O a. They are fungi- like protists O b. They cause yellow tides O c. They are bioluminescent fungi O d. They are plant- like protists O e. They are animal-like protistsarrow_forward
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