It is b. If I am wrong I am sorry
Explanation:
is a member of a group of non epics tactic genes that interact additively to influence a phenotypic trait
The answer is B i answered this already
Primary succession is 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.
