EVERYDAY SCIENCE

Detailed explanation-1: -Secondary succession is more common and usually occurs faster than primary succession because the substrate is already present. Secondary succession occurs on a surface where an ecosystem has previously existed. This happens after some sort of disturbance.

Detailed explanation-2: -Secondary succession proceeds faster than primary succession, in part because soil survives the disturbance. As a result, new and surviving vegetation can regrow rapidly. Secondary succession often follows a wildfire, hurricane, or other natural disturbance.

Detailed explanation-3: -Primary succession occurs where no ecosystem has existed before. It is a very slow process because it begins on bare rock. A glacier that retreats leaves behind no soil.

Detailed explanation-4: -Solution. Primary succession starts in the area where no living organisms ever existed. In case of secondary succession, since soil is already present, the succession rate is faster and hence climax is also reached quickly. Hence, primary succession is always slower than secondary succession.

Detailed explanation-5: -Secondary succession usually occurs faster than primary succession because the substrate is already present. In primary succession, there is no soil and it needs to form. This process takes time, as pioneer species must colonize the area, they must die, and as this happens over and over again, soil forms.