AP BIOLOGY

Detailed explanation-1: -Answer and Explanation: The form of succession that ends with a climax community is called ecological succession.

Detailed explanation-2: -Climax. The last stage of ecological succession is the formation of a climax community. There is minimal resource competition and no further replacement of dominant plant species.

Detailed explanation-3: -Two different types of succession-primary and secondary-have been distinguished. Primary succession occurs in essentially lifeless areas-regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier.

Detailed explanation-4: -A climax community (Figure below) is the end result of ecological succession. The climax community is a stable balance of all organisms in an ecosystem, and will remain stable unless a disaster strikes. After the disaster, succession will start all over again.

Detailed explanation-5: -Successional communities are known to have simple food chain and food web. The biomass of these communities is very less, and the niches here are very few and less specialized. The climax community is a final community that develops at the end of biotic succession. In this case, food web is larger and more complex.