Mycorrhizae are mutualistic and have symbiotic associations between:
Correct answer: D. Fungi and roots of vascular plants
- A. Fungi and stems of non-vascular plants
- B. Fungi and stems of vascular plants
- C. Fungi and roots of non-vascular plants
- D. Fungi and roots of vascular plants
Explanation
The correct option is "Fungi and roots of vascular plants." Mycorrhizae are mutualistic associations between fungi and the roots of vascular plants. The association involves the fungal hyphae extending into the root tissues, forming structures that enhance nutrient exchange between the two organisms. The fungi assist the plant in nutrient uptake, particularly in the acquisition of phosphorus and other essential elements, while the plant provides the fungus with carbohydrates produced through photosynthesis.
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Fungi are mainly multicellular, non-photosynthetic organisms with chitinous cell walls that obtain nutrients by extracellular digestion and absorption. Coverage includes hyphae, mycelium, spores, yeast, moulds, mushrooms, decomposer and parasitic roles, and the differences between fungi, plants and bacteria.
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