Ram observed the following on the bark of the tree. This is formed by two organisms - X and Y. X provides shelter, water, and minerals to Y. Y prepares and provides food to X. Identify X and Y and the relationship between them.
A
X - Rhizobium, Y - algae; Parasitic relationship
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B
X - Rhizobium, Y - fungus; Saprophytic relationship
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C
X - algae, Y - fungus; Commensalism relationship
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D
X - fungus, Y - algae; Symbiotic relationship
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Solution
The correct option is D X - fungus, Y - algae; Symbiotic relationship