Biology
Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 23, Problem 5FIB
Summary Introduction

Introduction:

Fungi are involved with the associations with a group of other species. These types of associations are called as a symbiotic association. Some fungi are in beneficial or mutualistic association with other species in which both are benefitted from each other. Some fungi are in parasitic association with other organisms in which the host is harmed by the fungi. Mycorrhiza, lichens, and endophytes are some of the examples of the fungal association with another group of organisms.

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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. 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…
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? ___
If 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 benefit
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