Question

5. How do events and processes that occur during ecological succession change the diversity of populations and species? Be sure to include the terms primary succession, secondary succession, pioneer species, and climax community.

Answer 1

Answer: Ecological succession , or the process in which the structure of a community evolves over time, means that the species composition, density, and distribution of that community is constantly changing as time progresses. A community may eventually reach its climax, the point where the composition remains mostly stable unless some sort of disturbance occurs. Otherwise, communities are constantly changing.

In the example below, a fire destroys the existing species. With a year or two, what are called pioneer species arrive. These may be grasses, low flowering plants, herbs, mosses, and others. Then the populations of these pioneer species, which was once high during the first years since the fire, decreases as other species also

Explanation: