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- Symbiosis is a close relationship between different species where at least one requires the other for survival. Parasitism, commensalism, and mutualism are the major types of symbiosis. Why is the relationship between Rhizobium and its host considered mutualism and not one of the other types of symbiosis?Mycorrhizal fungi live in the soil and interact with the roots of plants. Essentail nutrients (e.g. nitrogenous compounds) are taken from the soil by the fungi and transferred to the plant roots. The fungi extract carbohydrates from the plant roots. What type of interaction is occurring? Group of answer choices commensalism predation competition mutualismMany biologists consider a lichen an example of controlled parasitism. In this view, which component is the likely parasite, and which is the likely host?
- What is an indicator species and what does this have to do with parasites?Which of the following involve symbiotic relationships? A. mycorrhizae AND ruminants B. ruminants AND myxobacteria C. myxobacteria, ruminants, AND rhizobia D. rhizobia, mycorrhizae, AND ruminantsWhen placed in the same habitat, Paramecium aurelia will replace Paramecium caudatum. This is an example of: competitive exclusion. commensalism. parasitism. mutualism.
- Invasive species fishzilla Where did it originally come from?What could be the purpose of studying Mangroves parasitism?Several kinds of symbiotic relationships involve a fungus and a photoautotroph. Give two different examples of this kind of relationship. For the two examples, you choose, explain whether each relationship is parasitism, commensalism, or mutualism. Are either of the species interactions in either of your two examples beneficial for or detrimental to humans? Explain.
- What is the term for the symbiotic association between fungi and cyanobacteria? a. lichen b. mycorrhizae c. epiphyte d. nitrogen-fixing noduleWhat is coevolution? Using the myxoma-rabbit example explain how coevolution can lead to an arms race between the host and parasite.Why do you think high nitrogen rates resulted in an increased incidence of rice diseases in general? How do you think it is related to the increase of insect populations?