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Who acts as a pioneering species in a xerarch succession?(a) Phytoplankton(b) Pteridophytes(c) Lichens(d) BryophytesThis question was addressed to me by my college professor while I was bunking the class.My question is taken from Ecosystem topic in chapter Ecosystem of Biology – Class 12

Answer»

The correct option is (c) Lichens

For explanation: The first biotic COMMUNITY to invade a bare land or area is KNOWN as the pioneer community. In a XERARCH succession, lichens in the TEMPERATE region act as pioneering species. Some examples of lichens are Rinodina, Lecanora, Parmelia, etc.



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