In lichens,the fungi send projections of their hyphae across the algal cell wall in order to obtain nutrients from the photosynthetic partner.These projections are called

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The projections of fungi in lichens that penetrate the algal cell wall and obtain nutrients from the photosynthetic partner are called haustoria. The other options (A) mycelia and (B) hyphal extensions are not specific to lichens and can refer to the fungal structures in other situations as well. Option (D) lichenthropes is not a recognized term.

In Lichens,the Fungi Send Projections of Their Hyphae Across the Algal