Multiple Choice
Which of the following is an example of a mutualistic association involving a fungus?
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29. Fungi
Fungi
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Mycorrhizae are associations between fungi and which of the following?
A
Bacterial colonies
B
Animal cells
C
Algal blooms
D
Plant roots
Verified step by step guidance1
Understand the concept of mycorrhizae: Mycorrhizae are symbiotic associations between fungi and plant roots. This relationship is mutualistic, meaning both the fungi and the plant benefit from the association.
Recognize the role of fungi in mycorrhizae: The fungi help the plant by increasing water and nutrient absorption, particularly phosphorus, through their extensive network of hyphae.
Identify the benefit to fungi: In return, the plant provides the fungi with carbohydrates and other organic compounds produced through photosynthesis.
Differentiate mycorrhizae from other associations: Mycorrhizae specifically involve plant roots, not bacterial colonies, animal cells, or algal blooms.
Conclude that the correct association for mycorrhizae is with plant roots, as this is the defining characteristic of this symbiotic relationship.
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