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What are the potential long-term ecological consequences of widespread fungal infections on plant communities and ecosystem dynamics?
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- What are some ways in which the relationship between a plant root and a mycorrhizal fungus is mutualistic?Mycorrhizal fungi form obligate symbiotic relationships within plants. They are able to fix N2 into a usable form of nitrogen. In exchange, they receive nutrition from the plant. Which of the following is a true statement concerning mycorrhizal fungi? a) Finding a host plant is not crucial to their survival. b) They are a dominant species. c) They cannot survive without the host plant. d) They are considered plant parasites.Name two fungal diseases of Crop plants.
- How is presence of fungus beneficial to pine and birch plants?What is the potential role of fungal endophytes in enhancing the stress tolerance of plant species in harsh environmental conditions?A more recent threat to tree survival is a fungus in the genus Phytophthora which can kill full-grown trees. Studies indicate that the fungus can arrive via footwear of hikers. What is a possible solution to reduce fungus arrival or prevent the fungus on footwear from reaching the trees?
- A scientist is interested in genetically engineering a fungus that has a limited reproductive process so that it does not accidentally cross breed with other fungi in the laboratory. Which process should be disrupted to hinder fungal reproduction?a) None of theseb) Mycelium formationc) Spore formationd) Nutrient absorptione) Septa formationThe microorganisms responsible for symbiotically fixing nitrogen in the nodules on the roots of legume plants are: bacteria actinomycetes algae fungi O autotrophsWhat is the ecological importance of fungal decomposers?
- Describe two ways in which fungal spores arise. Dermatophytes (skin, hair and nails)The vegetative hyphae of fungi are involved in: A) the uptake of oxygen O B) production of asexual spores OC) absorbing nutrients OD) production of sexual sporesWhat is one distinct feature of fungi that could be exploited for antibiotic therapy?