WILL GIVE BRAINLIEST!! Which of the following best describes the changes that take place in an ecosystem during primary succession?

A. Lichens and mosses grow slowly on newly formed land, followed by grasses, shrubs, and trees.
B. Shrubs and trees regrow quickly in areas that have been disturbed by a forest fire.
C. Organisms compete for resources, and those that are best fit to survive establish themselves as the dominant species.
D. Natural disasters cause many populations to migrate to a new location in order to survive.