Why are lichens a good pioneer species after a volcanic eruption?

AThey are able to grow on moist soil.
BThey are able to grow on bare rock.
CThey are able to attract animals.
DThey are able to grow without water.

Verified Answer :

Volcanic eruptions often leave the ground barren. Lichen is astounding because, unlike other plants, it can grow on rock and provide a base for other plants to grow on.

Answer:

The Answer Is B: They are able to grow on bare rock.

Explanation: