Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 30, Problem 13TYK
Summary Introduction
To review:
Humans are fundamentally diploid organisms. The comparison of this statement with the fungal life cycle and compare the two general life cycles in light of the two groups’ overall reproductive strategies.
Introduction:
Humans and
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In the space below, diagram generalized haplontic, diplontic, and alternation of generations life cycles.
Make sure to indicate whether each stage in the life cycle is haploid or diploid, and unicellular or
multicellular. Also write the stage's name (e.g., zygote, gametophyte, spore, etc.) if it has one. You don't
need to draw the stages - e.g., for a zygote you can just write "zygote, unicellular, 2N". Also make sure
to indicate where exactly in the life cycle meiosis takes place. Please draw and label these as
possible
clearly
as
Haplontic
Diplontic
Alternation of generations
Some fungal species can undergo both sexual and asexual life cycles. During very hot seasons fungi prefer;
Select one:
a. Asexual reproduction by mitosis, to reduce its genetic diversity
b. Asexual reproduction by mitosis to reduce the number of spores
c. Asexual reproduction by mitosis to produce diploid cells
d. Sexual reproduction by meiosis to produce haploid spores that can resist extreme conditions
e. Asexual reproduction by mitosis, as this process needs less energy
A. Differentiate the three classification of fungi.
B. How do fungi differ from bacteria and other eukaryotic organism?
C. Explain the point of difference between the sexual and asexual cycle of fungi.
Chapter 30 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 30.1 - Prob. 1SBCh. 30.1 - Prob. 2SBCh. 30.1 - Prob. 3SBCh. 30.2 - Prob. 1SBCh. 30.2 - Prob. 2SBCh. 30.3 - Prob. 1SBCh. 30.3 - Prob. 2SBCh. 30.4 - Prob. 1SBCh. 30.4 - Prob. 2SBCh. 30 - Prob. 1TYK
Ch. 30 - Prob. 2TYKCh. 30 - Prob. 3TYKCh. 30 - Prob. 4TYKCh. 30 - Prob. 5TYKCh. 30 - A mushroom is: a. the food-absorbing region of an...Ch. 30 - Prob. 7TYKCh. 30 - Prob. 8TYKCh. 30 - Prob. 9TYKCh. 30 - In a college greenhouse, a new employee observes...Ch. 30 - Prob. 11TYKCh. 30 - Prob. 12TYKCh. 30 - Prob. 13TYKCh. 30 - Design an Experiment Experiments on the orange...Ch. 30 - Prob. 15TYKCh. 30 - Prob. 1ITDCh. 30 - Prob. 2ITD
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- A 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_forwardCompare the morphophysiological characteristics of fungi and plants by making a Venn Diagram.Note: Include all characteristics and describe properly.arrow_forwardFungi and animals are both part of a group called Opisthokonta. The vast majority of fungi are multicellular. However, their sister taxon consists of unicellular species. Animals also are multicellular and their closest relatives are again unicellular. Briefly describe the two hypotheses that could explain the origin of multicellularity in the Opisthokonta, and then explain which of the two is the more likely hypothesisarrow_forward
- A) Define the coelom and 1. describe its function. B) Give examples of an animal phyla that exhibit all the variation in coelom evolution. 2. Describe the specific morphological features that can be used to assign fungal species to phylum Zygomycota, Ascomycota, and Basidiomycotaarrow_forwardCompare the morphophysiological characteristics of fungi and plants by filling-in the Venn Diagram. Also put their similarities.arrow_forwardDescribe monobiontic and dibiontic life cycles. Be careful to mention all possible types. What is the difference between a spore and a gamete? What is the difference between a spore and a zygote?arrow_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. 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_forwardGive typed full explanation Which of the following statements is TRUE for the labeled structures? (Choose all the correct answers) a. The structures labeled with the letter a are genetically identical to each other. b. The structure labeled with the letter b is the gametophyte. c. The structures labeled with the letter c (the sperm produced by one antheridium) are genetically different from each other. d. The structure labeled with the letter d is the sporophyte.arrow_forwardWhich statement about life cycles with a dikaryon stage is false? A zygosporangium results from the fusion of two coenocytic hyphae. In effect, the dikaryon is neither diploid nor haploid. Dikaryotic hyphae often have characteristics that are different from those of their n or 2n products. The only true diploid structure is the zygote. There are no gamete cells, only gamete nuclei.arrow_forward
- The basidium of the club fungi could be correctly described as; A reproductive structure that produces diploid spores A sexual reproductive structure that produces 4 haploid spores An asexual reproductive structure that produces thousands of spores A sexually reproductive structure that produces 8 haploid sporesarrow_forwardLabel the following diagrams. (a) Spirogyra (Vegetative stage) 會 (b) (c) (d) (b-d) Spirogyra (Sexual reproduction stages) Why it is called Spirogyra?arrow_forwardCompare and contrast the Plant, Animal and Fungal kingdoms. Describe the shared primitive characteristics among them and the shared derived characteristics of each.arrow_forward
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