You are on vacation in the Canadian Rocky Mountains and you observe that a massive forest fire has burned all the trees off the side of the mountain and sterilized the soil,leaving no topsoil.The type of succession that occurs following this type of fire is

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Primary succession is when a community of plants is established in a new environment where there is not soil. A receding glacier would expose bedrock and this would lead to primary succession. Secondary succession is when a community of plants reestablishes in an area where the ecosystem has been disturbed. A plowed field or a burned area would undergo secondary succession. A facilitated model of succession occurs when each successive community improves conditions in the area for the community that follows. A primary species is one that is able to move and colonize an area that has been disturbed.Bloom's

You Are on Vacation in the Canadian Rocky Mountains and You