Prescott's Microbiology
11th Edition
ISBN: 9781260211887
Author: WILLEY, Sandman, Wood
Publisher: McGraw Hill
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Chapter 27.4, Problem 2CC
What is a lichen? Why is this considered an example of a
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Many biologists consider a lichen an example of controlled parasitism. In this view, which component is the likely parasite, and which is the likely host?
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Chapter 27 Solutions
Prescott's Microbiology
Ch. 27.2 - What methanogenic substrates are also available in...Ch. 27.2 - What is the nutritional type of the endosymbiotic...Ch. 27.2 - How could one test to see if an insect-microbe...Ch. 27.2 - What is the role of the Riftia tube worms...Ch. 27.2 - Prob. 3CCCh. 27.2 - What is meant by tight trophic coupling between...Ch. 27.2 - Why is it important that the rumen is a reducing...Ch. 27.2 - Describe the mutualism between methanogenic...Ch. 27.2 - How does cooperation differ from mutualism? What...Ch. 27.2 - Why is the X. nematophilaS. carpocapsae symbiosis...
Ch. 27.3 - Prob. 1CCCh. 27.3 - Why is nitrification a good example of a...Ch. 27.3 - Describe the amensalism observed in attine ant...Ch. 27.3 - Prob. 4CCCh. 27.4 - How does myxobacterial predation differ from that...Ch. 27.4 - Define predation and parasitism. How are these...Ch. 27.4 - What is a lichen? Why is this considered an...Ch. 27.4 - What is the competitive exclusion principle? List...Ch. 27 - Prob. 1RCCh. 27 - Prob. 2RCCh. 27 - Prob. 3RCCh. 27 - Prob. 4RCCh. 27 - Prob. 5RCCh. 27 - Prob. 6RCCh. 27 - Prob. 7RCCh. 27 - Prob. 8RCCh. 27 - Prob. 9RCCh. 27 - Prob. 10RCCh. 27 - Prob. 11RCCh. 27 - Prob. 12RCCh. 27 - Prob. 13RCCh. 27 - Describe an experimental approach to determine if...Ch. 27 - Prob. 2ALCh. 27 - Prob. 3ALCh. 27 - Prob. 4AL
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What is symbiotic association in lichens?arrow_forwardWhy are termites essential members of communities in nature? How do they alter habitats?arrow_forwardParasitism is a symbiotic relationship, where the parasite (symbiont) obtains nutrients from its host. 1) Contrast endoparasitism and ectoparasitism. 2) Describe one invertebrate endoparasite you find interesting and identify its definitive host (and any intermediate hosts). 3) Describe one invertebrate ectoparasite you find interesting and identify its definitive host (and any intermediate hosts).arrow_forward
- How are diatoms and dinoflagellates used in monitoring water quality? Cite two (2) examples. What are zooxanthellae? Describe their role in symbiotic relationships.arrow_forwardImagine you are in a developing country where sanitation is poor. Having read about paracitic protists in water and damp soil, what would you consider safe to drink? What foods might be best to avoid or which methods might make them safe to eat?arrow_forwardWhat is the importance of symbiosis in fungi? How does this interaction occur in lichens?arrow_forward
- write an article on Cryptosporidium a pathogenic eukaryote parasite. What is the natural habitat for this organism? (water, soil, humans, plants, etc.) What clinical significance does this organism have for humans? (What disease/infections does it cause in humans?) What is the mode of transmission to humans? (How do you get an infection with this organism?) What is the worldwide geographic distribution for this organism? (Where is it found, where have there been reported cases or outbreaks lately?)arrow_forwardLichen-forming fungi are generally capable of reproducing by the production of ascospores: single-celled reproductive units small enough to be carried away on the air. What questions does this fact pose about the obligate / facultative nature of this mutualism?arrow_forwardHow does the interaction of symbiosis occur in lichens? Are there other examples of symbiosis in the Fungi kingdom?arrow_forward
- what is the only known coccidial parasite that does not have intermediate hosts?arrow_forward3) Did the planaria exhibit rheotaxis? yes If so, was it positive or negative?Negative 4) How would this behavior be beneficial for planaria? 5) Did the planaria exhibit chemotaxis? es If so, was it positive or negative? ositve 6) How would this behavior be beneficial for planaria? 7) Did the planaria exhibit geotropism?Ues If so, was it positive or negative? _Possive 8) How would this behavior be beneficial for planaria?arrow_forwardIs it more beneficial for Neodermata to have one host or two hosts? Neodermatahas two classes: class Trematoda and class Monogenea. Class Trematoda has the subclass Digenea, which has organisms that live through at least two different hosts. An example of this is Fasciola hepatica, the sheep's liver fluke. Class Monogenea has organisms that only need to live through one host. Is it better to have a simple or complex life cycle? Which lives longer? Has more energy? Does more damage or good?arrow_forward
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