After an extreme disturbance, the first thing to form in an ecosystem is typically a group of lichens. Lichens are often among the first organisms to colonize bare rock and contribute to the formation of soil, facilitating the establishment of other plant communities over time.
After an extreme disturbance, what is the first thing to form in an ecosystem? (1 point)
• rock
• a group of lichens
• sand
• the plant community
1 answer