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A place was rocky and barren but now there is a green forest, the sequence of origin is |
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a) |
Lichen, moss, herbs, shrubs |
b) |
Moss, lichen, herbs, shrubs |
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c) |
Lichen, moss, shrubs, herbs |
d) |
Shrubs, herbs, moss, lichen |
|
A place was rocky and barren but now there is a green forest, the sequence of origin is |
|||
|
a) |
Lichen, moss, herbs, shrubs |
b) |
Moss, lichen, herbs, shrubs |
|
c) |
Lichen, moss, shrubs, herbs |
d) |
Shrubs, herbs, moss, lichen |
(a)
The rocky and barren place is deficient in water and lacks any organic matter, having only minerals in disintegrated or weathered state, the pioneer to colonies this primitive substration are crustose types of lichen.
Crustose lichens→ Foliose lichens → Moss→ Herbs → Shrub → tree.