The pioneer species in xerarch and hydrarch succession are respectively Lichens and sedges REHANISM INDIAN IRENA ) Lichens and rooted hydrophytes PLANS DESEN Phytoplankton and lichens ) Lichens and phytoplankton

Lichen is pioneer in which succession?

Lichen stage : Pioneer species in Xerarch _____ : Pioneer species in hydrarch

Lichen is the pioneer vegetation of which succession?

Lichen is pioneer in succession of

Lichen is pioneer in succession of

Lichen is pioneer in succession of

Lichen is pioneer in succession of

(a) What is "population" according to you as a biology student ? (b) "The size of a population for any species is not a static parameter." Justify the statement with specific reference to fluctuations in the population density of a region in a given periods of time. OR (a ) What is hydrarch succession ? (b) Compare the pioneer species and climax communities of hydrarch and xerarch succession respectively. (c) List the factors upon which the type of invading pioneer species depend in secondary hydrarch succession. Why is the rate of this succession faster than that of primary succession ?

Among bryophytes, lichens and fern which one is pioneer species in xeric succession?