"Lichen" are mutualistic and have symbiotic associations between:
Correct answer: B. Fungi and Green Algae
- A. Fungi and Nematodes
- B. Fungi and Green Algae
- C. Fungi and roots of vascular plants
- D. Fungi and viruses
- E. Fungi and fungi
Explanation
The correct option is "Fungi and Green Algae." Lichens are composite organisms that result from a mutualistic relationship between a fungus and a photosynthetic partner, typically green algae or cyanobacteria. The fungus provides a protective shelter and absorbs water and nutrients, while the green algae or cyanobacteria perform photosynthesis to produce energy-rich compounds. This mutually beneficial association allows lichens to thrive in a variety of habitats, including harsh environments such as deserts and rocky surfaces.
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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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