A hurricane destroyed all life forms on an island and washed away all the soil, leaving bare rock. In time, lichens grow in cracks in the rocks. What is occurring?

Question

Mercury · Answer

answer choices:
- The habitat is not recovering at all. 
- Primary succession is beginning. 
- Secondary succession is beginning

eliminate the first one (the habitat *is* recovering as evidenced by the new lichen growth)

now, consider that the lichens are the first living organisms to start inhabiting a place. is this primary or secondary successions? consult your notes, or do some research if you're still confused