What does the following picture show?
Question 2: gelatinous lichens, in which the cyanobacteria produce a ________ that absorbs and retains water.
Question 3: There is evidence to suggest that the lichen symbiosis is ________ or commensalistic, rather than mutualistic (Ahmadjian 1993).
Question 4: Lichen is used in ________ and other modeling hobbies as a material for making trees and shrubs. [48 ]
Question 5: Among the ascolichens, ________ are produced in spore-producing bodies, the three most common spore body types are the apothecia, perithecia and the pycnidia.
Question 6: Many lichens produce secondary compounds, including pigments that reduce harmful amounts of sunlight and powerful toxins that reduce ________ or kill bacteria.
Question 7: Two obstacles are often encountered when eating lichens: lichen ________ are generally indigestible to humans, and lichens usually contain mildly toxic secondary compounds that should be removed before eating.
Question 8: Lichens also sometimes contain structures made from fungal metabolites, for example crustose lichens sometimes have a ________ layer in the cortex.
Question 9: The processes by which atmospheric deposition occurs include ________ and dew, gaseous absorption, and dry deposition.
Question 10: The ________ has discovered that lichens can survive unprotected in space.