After an extreme disturbance, what is the first thing to form in an ecosystem?(1 point) Responses a group of lichens a group of lichens rock rock sand sand the plant community
the plant community
Question The melting and subsequent retreat of glaciers is a long process that may take centuries. Why is something so slow considered an extreme disturbance?(1 point) Responses They move giant boulders and change the physical shape of the landscape. They move giant boulders and change the physical shape of the landscape. They strip away trees and destroy everything as they move. They strip away trees and destroy everything as they move. They will never grow back after they melt. They will never grow back after they melt. They leave behind bare rock with no established ecosystem.
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