SEREJANE91IN SEREJANE91IN Science Answered 3.what do living and nonliving things to in an ecosystem?A.dieB.interactC.liveD. multiply4. which of the following area where mud from the seas or rivers is deposited?A.coral reefsB. mangrove forestsC. mud flatsD. salt matches5. which of the following is a biotic factor?A.animalB. microorganismsC. plantsD. all of the above