Questions
Which of the following would appear as the pioneer organisms on bare rocks?
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By Expert Faculty of Sri Chaitanya
a
Mosses
b
Green algae
c
Lichens
d
Liverworts
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Correct option is C
The species that invade a bare area are called pioneer species. In primary succession on rocks these are usually lichens which are able to secrete acids to dissolve rock, helping in weathering and soil formation.
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All the following are successive communities during xerarch succession, except
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