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Lichens are...

Lichens are

A

commensal

B

dual/composite organism

C

saprophyte

D

all the above

Text Solution

Verified by Experts

The correct Answer is:
B
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[A] : Lichens are of considerable ecological imporance as pioneers in colonization of rocky habitats by plants . [R] : The lichens excrete organic acids which disintegrate rocks , thus forming soil or substrata in which other kinds of plants become established .

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Lichen are ecologically important as they

Lichen is a symbiotic association of

Lichens growing on rocks are called

Resurrection plants of Selaginella and lichens remain air dry for considerable periods because they can absorb water from the slight downpour. By which physiological process water is absorbed

Lichens multiply by

Lichen is pioneer in succession of

Lichen deserts indicate