Q: What Differentiates Major Succession from Secondary Succession? Respond to: Key succession occurs in new and lifeless environments where by no soil or organisms exist, whereas secondary succession occurs in places with existing soil and vegetation that have been previously disturbed or altered. “My tutoring session went really well. https://israelcfimc.ampedpages.com/5-simple-techniques-for-get-help-with-programming-assignment-53605678