Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 23, Problem 5FIB
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Fairy rings (such as the one in the photo on the left) are circles of fungi that often appear in open meadows and in forest areas. In the soil beneath the fungi is an ever-extending mycelium. As the mycelium spreads to seek out more food, it sometimes will produce the fungi we see above ground to produce and release spores. The diagram on the right depicts the outline of a fairy ring that has appeared overnight in an open meadow, as viewed from above. The ring represents the farthest advance of this mycelium through the soil. The letters A-D represent locations with respect to that ring which are all 0.5 meters below the soil surface.
Which location (A-D) is nearest to the basidiocarps? ___
What is the most probable location (A-D) of the youngest portion of this mycelium? ___
Fairy rings (such as the one in the photo on the left) are circles of fungi that often appear in open meadows and in forest areas. In the soil beneath the fungi is an ever-extending mycelium. As the mycelium spreads to seek out more food, it sometimes will produce the fungi we see above ground to produce and release spores. The diagram on the right depicts the outline of a fairy ring that has appeared overnight in an open meadow, as viewed from above. The ring represents the farthest advance of this mycelium through the soil. The letters A-D represent locations with respect to that ring which are all 0.5 meters below the soil surface.
1)If the fungus that produced the fairy ring can also produce arbuscules, then which of the following is most likely to be buried at location "B"?
a. cement-capped well
b. deceased animal
c. tree stump
d. fire pit
2) Assume that all four locations are 0.5 meters above the surface, rather than below. On a breezy day with prevailing winds blowing from right…
Lichens are a mutualistic relationship between a fungus and an alga or cyanobacterium, or both. The diagram below shows their symbiotic relationship. What is the role of fungi in lichens?
Chapter 23 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 23.1 - Prob. 1TCCh. 23.1 - Prob. 1CYLCh. 23.1 - Prob. 2CYLCh. 23.2 - Prob. 1CSCCh. 23.2 - Prob. 1CYLCh. 23.2 - Prob. 2CYLCh. 23.3 - Fossil evidence suggests an important link between...Ch. 23.3 - Prob. 2TCCh. 23.3 - Prob. 1CYLCh. 23.3 - Prob. 2CYL
Ch. 23.4 - Prob. 1CSCCh. 23.4 - Prob. 1TCCh. 23.4 - Prob. 1HYEWCh. 23.4 - explain how fungi affect agriculture?Ch. 23.4 - Prob. 2CYLCh. 23.4 - describe the role of fungi in the production of...Ch. 23.4 - Prob. 1CSRCh. 23.4 - Prob. 1CTCh. 23 - Prob. 1MCCh. 23 - Which of the following diseases is not caused by a...Ch. 23 - A symbiotic association of plant roots and fungi...Ch. 23 - The alcohol in beer and wine is a by-product of...Ch. 23 - __________ is an ecologically important function...Ch. 23 - Prob. 1FIBCh. 23 - Prob. 2FIBCh. 23 - Prob. 3FIBCh. 23 - Prob. 4FIBCh. 23 - Prob. 5FIBCh. 23 - Prob. 6FIBCh. 23 - Prob. 1RQCh. 23 - Prob. 2RQCh. 23 - Prob. 3RQCh. 23 - Prob. 4RQCh. 23 - Prob. 5RQCh. 23 - Prob. 6RQCh. 23 - Describe how a fairy ring of mushrooms is...Ch. 23 - Prob. 8RQCh. 23 - Prob. 1ACCh. 23 - Prob. 2AC
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- Lichens are a mutualistic association of a fungus and either an alga or a cyanobacterium in which the fungus slowly engulfs the photosynthetic partner. the phototroph provides inorganic phosphorus to the fungus. the fungus helps collect sunlight for the photosynthetic partner. the fungus protects the photosynthetic partner from erosion.arrow_forwardIf a symbiotic relationship between a fungus and its host plant is said to be commensal, what does this mean? Group of answer choices the fungi benefit, but the plant is unaffected the fungi are harmed and the plant benefits the plant is harmed and the fungi benefits both plant and fungi benefitarrow_forwardKukuwa, a class six student, was studying chapter, ‘Diversity in Living Organisms’. He thought that all the fungi are harmful as these spoil food and cause various diseases. However, his elder sister Abena told him that not all fungi are harmful as these are also used in making bread, vitamins and medicines. Name any fungus which is the source of some medicine. Name any fungus which is used in bread making. What value are displayed by Kukuwa’s sister?arrow_forward
- Fungi play a variety of roles in the ecosystem. Discuss briefly each of the following roles stated below. Give specific examples whenever possible. 1. Decomposers 2. Mycorrhizae 3. Lichen Symbiont 4. Endophyte 5. Plant Pathogenarrow_forwardWhat benefit do Cordyceps fungi gain from interacting with ants and other insects hosts, and what happens to the hosts by interacting with fungus? Please select all correct answers.arrow_forwardCompare and Contrast a Chlorophyll lacking plant (Ghost Pipes, Albino Redwood, etc.) to fungi.arrow_forward
- Mycorhizal fungi have some unique characteristics which are the result of the symbiotic interaction with plants. In what ways are these fungi different from ones that are not mutualistic relationships with plants? (Choose All That Aarrow_forwardBoth bacteria and fungi are major environmental decomposers. Obviously competition exists in any given environment, but fungi usually have an advantage. What characteristics specific to fungi provide this advantage?arrow_forwardMycorrhizae are an important symbiosis between fungi and plant. What group of Fungi form this symbiosis? Group of answer choices Chytrids Basidiomycetes Zygomycetes Glomeromycetes Ascomycetesarrow_forward
- Which of the following characteristics is true of the fungi that comprise the dermatophytes? They are an opportunistic yeast commonly residing in the gastrointestinal tract They are opportunistic fungi that require keratin for growth and are capable of causing superficial infections They have an endemic distribution and transition from filamentous form in the environment to a yeast form at body temperature They are capable of producing yeast cells, pseudo-hyphae and hyphaearrow_forwardThe roots of most plants form a symbiotic association with soil fungi. Name the association and the element that it supplies to the plant.arrow_forwardWhich of the following is NOT a reason why fungi can grow so quickly? Group of answer choices external digestion of food particles hyphae with incomplete or no cells walls between cells a huge number of hyphae a very small SA: V ratio very thin hyphaearrow_forward
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