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Figure 311 Below Depicts the Outline of a Large Fairy Ring

question 30

Multiple Choice

Figure 31.1 below depicts the outline of a large fairy ring that has appeared overnight in an open meadow, as viewed from above. The fairy ring represents the furthest advance of this mycelium through the soil. Locations A-D are all 0.5 meters below the soil surface. Responses may be used once, more than once, or not at all.
Figure 31.1 below depicts the outline of a large fairy ring that has appeared overnight in an open meadow, as viewed from above. The fairy ring represents the furthest advance of this mycelium through the soil. Locations A-D are all 0.5 meters below the soil surface. Responses may be used once, more than once, or not at all.      -How are the vascular plants that are involved in mycorrhizae and the photosynthetic cells that are involved in lichens alike? A) They provide organic nutrients to fungal partners. B) They secrete acids that keep the fungal partner from growing too quickly. C) They are in intimate associations with chytrids. D) They are digested by fungal enzymes while still alive. E) They contain endosymbiotic fungi.

-How are the vascular plants that are involved in mycorrhizae and the photosynthetic cells that are involved in lichens alike?


Definitions:

Commensalism

A type of symbiotic relationship where one organism benefits from the association while the other is neither benefited nor harmed.

Chemical Defenses

Strategies used by organisms to produce substances that deter predators or infections through toxic or repellent properties.

Interference Competition

A form of competition where organisms directly interact with each other, preventing access to resources by means such as physical fighting or chemical interference.

Exploitative Competition

A form of competition where organisms indirectly compete by consuming shared resources.

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