<em>both producers and consumers are the part of ecosystem but finally either directly or indirectly they become food of the decomposers that may be micro-organisms or the larger parasite or saprophyte ..
organisms taking food from living host are parasite while taking food from dead matter are saprophytes..</em>
Complementary RNA is produced for transcription - when it is making a protein
Complementary DNA is produced when the cell is replication - Mitosis & Meiosis
