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Encyclopedia Britannica
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How do fungi obtain nutrition?

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  • Saprotrophic fungi obtain their food from dead organic material and are ecologically useful decomposers.
  • Parasitic fungi feed on living organisms (usually plants), thus causing disease.
  • To feed, both types of fungi secrete digestiveenzymes into the nutritive surface on which they are growing. The enzymes break downcarbohydrates andproteins, which are then absorbed through the walls of the hyphae.
  • Some parasitic fungi also produce special absorptive organs calledhaustoria, to penetrate deeper into the living tissues of the host.

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