Why are lichens a good pioneer species after a volcanic eruption?
a. They are able to grow on moist soil.
b. They are able to grow on bare rock.
c. They are able to attract animals.
d. They are able to grow without water.
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.
