1.

‘X’ is an example of Mutualism and ‘Y’is an example of succession then which is the correct realtionship ?

A. X = Hermit Grab Y = Gastropod
B. X= Sea anemore Y = mesosere Succession
C. X = Lichen Y = Xerosere
D. X= Lichen Y= Hydrosere
Answer» D. X= Lichen Y= Hydrosere


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