Succession performs a variety of functions within ecosystems. what is the main reason that succession is important in maintaining ecosystems?

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

the correct answer in apex is tissue development, i know because i just had this question