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8. Mycorrhizal fungi area. beneficial to plants because they help plants stay dry.b. harmful to plants because they secrete acids.c. beneficial to plants because they help in absorbing minerals.d. harmful to plants because chey degrade lignin.
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Mycorrhizal fungi are a type of fungi that form symbiotic relationships with plants. They colonize the root system of a host plant, providing increased water and nutrient absorption capabilities while the plant provides the fungus with carbohydrates formed from Show more…
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Mycorrhizal fungi are symbiotic with plant roots. What is the main benefit of this association to the plant? Increased nutrient and water acquisition because the mycorrhizae have a greater surface area to volume ratio than the plant's roots. Increased anchoring strength because the mycorrhizae have stronger cell walls than the plant roots. Chemical defense against underground herbivory due to ectoenzymes produced by the mycorrhizae. Increased oxygen released into roots due to greater vascular circulation. Access to increased chemical energy stores due to the photosynthetic activity of the mycorrhizae.
Glomeromycota fungi are obligate plant symbionts, meaning that a. they harm the plant. b. they grow best when associated with a plant. c. they cannot live without a plant symbiont. d. they are parasites.
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Why is the relationship between most mycorrhizal fungi and their host plants considered mutualistic? a. They live in close physical association. b. Both species benefit from the association. c. The host plant cannot live without the mycorrhizae. d. The mycorrhizae cannot live without the host plant.
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