BIOLOGY:LIFE ON EARTH-W/ACCESS
11th Edition
ISBN: 9780134669076
Author: Audesirk
Publisher: PEARSON
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Chapter 23, Problem 3FTB
Summary Introduction
To review:
The given blank space in the statement, “In
Introduction:
The reproduction in fungi is done with spores. Fungi produce millions of spores and release them into the environment. These spores then germinate in favorable conditions to create new fungi. Fungi can reproduce both sexually as well as asexually. In both sexual and asexual reproduction, spores are created and are haploid.
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In fungi, asexual spores are produced by_________ celldivision and have__________ set(s) of chromosomes.Sexual spores are produced by________ cell divisionin a(n)_______ and have_________ set(s) ofchromosomes.
Basidiomycota is a division of the Kingdom Fungi. They include groups such as mushrooms, and reproduce sexually through the formation of cells called basidia.
Which of the following rows identifies Process 1 and Process 3 in the life cycle shown in the diagram?
Select one:
a.
Process 1
Process 3
Meiosis
Mitosis
b.
Process 1
Process 3
Mitosis
Mitosis
c.
Process 1
Process 3
Meiosis
Meiosis
d.
Process 1
Process 3
Mitosis
Meiosis
The fungal structure we know as a grocery-store mushroom is _____.
haploid
diploid
heterokaryotic
polyploid
Chapter 23 Solutions
BIOLOGY:LIFE ON EARTH-W/ACCESS
Ch. 23 - Prob. 1MCCh. 23 - 2. Which of the following diseases is not caused...Ch. 23 - 3. A symbiotic association of plant roots and...Ch. 23 - The alcohol in beer and wine is a by-product of...Ch. 23 - _______ is an ecologically important function of...Ch. 23 - Prob. 1FTBCh. 23 - Prob. 2FTBCh. 23 - Prob. 3FTBCh. 23 - Prob. 4FTBCh. 23 - Prob. 5FTB
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- Figure 24.17 Which of the following statements is true? A basidium is the fruiting body of a mushroom-producing fungus, and it forms four basidiocarps. The result of the plasmogamy step is four basidiospores. Karyogamy results directly in the formation of mycelia. A basidiocarp is the fruiting body of a mushroom-producing fungus.arrow_forwardFigure 23.25 Which of the following statements about Paramecium sexual reproduction is false? The macronuclei are derived from micronuclei. Both mitosis and meiosis occur during sexual reproduction. The conjugate pair swaps macronuclei. Each parent produces four daughter cellsarrow_forwardThe life cycles of perfect fungi are most similar to which other organism? Hydra that undergo asexual budding Diploid-dominant pea plants Haploid-dominant green algae Bacteria undergoing binary fissionarrow_forward
- Fungi can propagate themselves successfully with their millions of asexual spores. That being the case,why is the production of sexual spores necessary?arrow_forwardWhen the Ascomycetes fungus reproduces sexually, mating type A fungi cross fertilize mating type a fungi. The resulting zygotes undergo meiotic and then mitotic division to produce asci with eight ascospores. The ascospores in the asci are ordered and reflect the position of the parental nuclei in the zygote. Use the passage to answer the question. How is the life cycle of Ascomycetes different from that of humans? A. Haploid cells undergo meiosis. B. Haploid cells undergo mitosis. C. Diploid cells undergo meiosis. D. Diploid cells undergo mitosis.arrow_forwardSome fungi exhibit dimorphism, i.e. they can exist in both yeast and mold form. Why is this so? What advantage does this provide for these organisms?arrow_forward
- Some fungi can be viewed as coenocytic organisms that exhibit little differentiation. When differentiation does occur, such as in the formation of reproductive structures, it is preceded by septum formation. Why does this occur?arrow_forwardA hypothesized evolutionary advantage to asexual reproduction in fungi is that: -It allows them to form resting spores -It protects their genes from mutation -It allows them to avoid phages -It allows them to grow quickly when nutrient levels are richarrow_forwardWhat is the ploidy of the most conspicuous form of most fungi? a. diploid b. haploid c. alternation of generations d. asexualarrow_forward
- When the Ascomycetes fungus reproduces sexually, mating type A fungi cross fertilize mating type a fungi. The resulting zygotes undergo meiotic and then mitotic division to produce asci with eight ascospores. The ascospores in the asci are ordered and reflect the position of the parental nuclei in the zygote. Use the passage to answer the question. Based on the diagram, how many unique ascospores are produced in each ascus resulting from the cross fertilization of two Ascomycetes fungi? A. 1 B. 2 C. 4 D. 8arrow_forwardThe life cycles of perfect fungi are most similar to which other organism? a. Hydra that undergo asexual budding b. Diploid-dominant pea plants c. Haploid-dominant green algae d. Bacteria undergoing binary fissionarrow_forwardYeast are unicellular fungi that reproduce by budding (Fig. 8.4.). Identify individual yeast cells and locate a budding cellarrow_forward
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