Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Textbook Question
Chapter 28, Problem 7TY
What advantages do diatoms obtain from sexual reproduction?
- a. increased genetic variability
- b. increased ability of populations to respond to environmental change
- c. evolutionary potential
- d. regeneration of maximal cell size for the species
- e. all of the above
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Students have asked these similar questions
25. 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 extremes
Which statement about slime molds is correct?
A. Cellular slime molds have haploid zygotes.
B. Cytoplasmic streaming helps distribute nutrients and oxygen in cellular slime molds.
C. In plasmodial slime molds, the haploid condition is the dominant part of the life cycle.
D. Cellular slime molds have fruiting bodies that function in sexual reproduction.
E. Cellular slime molds form masses when food is scarce, but their cells remain separated .
Which of the following is incorrect regarding the life cycle of Plasmodium?
a. It can involve both one parent or two parents
O b. It can cause disease while reproducing in human cells
O c. It needs more than one host
O d. Gametes fertilize to produce a zygote inside human cells
Oe.
In humans, they target more than one type of cells
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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- 18.A group of cells sprout of the body of a hydra which later separates from the older body and is capable of survival. A.Regeneration B.Heterogamy C.Binary Fission D.Budding E.Fragmentationarrow_forwardWhen a part of a planaria is removed from its body, the part removed develops into a complete individual. A.Budding B.Regeneration C.Binary Fission D.Heterogamy E.Fragmentationarrow_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_forward
- The ability of a fungus to alternate between hyphal and yeast phasesin response to temperature is a type ofa. sporulation b. conversion c. dimorphismd. binary fissionarrow_forwardWhat is the only haploid stage in the life cycle of animals? Group of answer choices A. zygotes B. spores C. gametes D. adultsarrow_forwardon Karyogamy is a term used to describe: O a. A Mode of cell division in fungi O b. Joining of two haploid nuclei of O c. Asexual reproduction of yeast O d. Chromosomes in the nucleus O e. Fusion of cytoplasm ofarrow_forward
- B. Choose which word is described in the statements in numbers 17 20. A. Sporulation B. Isogamy C. Asexual reproduction D. Sexual reproduction E. Parthenogenesis 17. When a unicellular organism splits into two, without replicating its chromosomes. 18. A mycorrhiza of a mushroom meet and matures to a new individual 19. An organism produced a new individua! without any help of another individual. 20. An egg develops to an amphibian without being fertilized by an egg. Earrow_forwardWhich taxon is not classified as Protista? A. Paramecium sp. О В. Kelp C. Trypanosoma sp. D. Black mold E. Slime moldsarrow_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
- Conjugation between two Paramecia produces ________ total daughter cells. a. 2 b. 4 c. 8 d. 16arrow_forwardCharacteristics properties of this taxon include hyphae a. Protist b. Monerans c. Plants d. Archeanarrow_forwardWhat is a likely evolutionary advantage of sexual reproduction over asexual reproduction? a. sexual reproduction involves fewer steps b. less chance of using up the resources in a given environment c. sexual reproduction results in greater variation in the offspring d. sexual reproduction is more cost-effectivearrow_forward
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