which of the following structures helps in the respiration of lichens?
(1) Soredia
(2) Isidia
(3) Cyphella
(4) Cephalodia
Audio Explanation:
(3) Cyphella are small depressions or cavity like openings into the medulla on the ventral surface of the thallus of certain lichens. They perform respiratory functions.
Difficulty Level:
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