Secondary succession is the regrowth of a disturbed area, and primary succession is
the development from the begining. which of the following is primary succession?
o changing ice to water
o changing soil to rock
formation of an island by volcanic action
o
changing rock to soil
growth after a forest fire

answer; ///as energy flows through an ecosystem,energy (decreases) at each

the answer to your question is slate

substitution is the answer in this case

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.