Succession- is the term used to describe the changes in a species, over a period of time, in a particular area.
The first stage of Succession is when the Pioneer species ocupy the hostile land.Pionner species features;
-Produce vast quantities of wind dispersed seeds
-Tolerant to extreme conditions
-Photosynthesise where nutrients not avaliable
-Fix atmospheric notrogen
-Qucikly germinate seeds
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