Answer:
Ecosystems are subject to natural disturbances such as fires, floods, droughts, and disease outbreaks, as well as human-caused disturbances, including oil spills.
Step-by-step explanation:
Are all disturbances bad in an ecosystem? ... In restoration ecology, why might it be challenging to return a damaged ecosystem to original its state/function? ... 6.What have researchers learned about biogeochemical cycles by studying the Hubbard Brook watersheds?