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Answer:
The answer is A.Primary succession
Explanation:
Primary succession is an ecological succession that begins in essentially lifeless areas, such as regions in which there is no soil or where the soil is incapable of sustaining life (because of recent lava flows, newly formed sand dunes, or rocks left from a retreating glacier).
Genes are the code and when processed by a cell, it will result into a particular specie. Mutation results to differences in an individual organism as compared to the rest of the members of its specie. If these difference can help the organism to survive and breed better than the rest of the specie, genes get passed on to its offspring.
Not sure but i think its plants