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| 1. |
define lichens |
| Answer» <p>A lichen is not a single organism but a symbiosis among different organisms like fungus and a cyanobacterium oralgae. Cyanobacteria are also referred to as blue-green algae despite the fact of being distinct from algae. The non-fungal part is known as photobiont that contains chlorophyll. Many lichen partners include one photobiont and one mycobiont which is not universal and there are lichens with more than one photobiont partner. The fungal partner is viewed to be composed of filamentous cells and every filament is known as hypha</p> | |