Help!!! From all my L.A folks...Mid-City/Fairfax/Pico-Roberson/Palms and Westside L.A back in the 1970's to 1980's (6 replies) Latest news from Fairfax, CA collected exclusively by city-data.com from local newspapers, TV, and radio stations. Ancestries: Irish (15.0%), Italian (12.2%), English (9.7%), German (8.4%), American (6.5%), European (5.0%).
Quick Answer. Multicellular organisms are composed of more than one cell, while unicellular organisms are a single living cell. This difference determines the size and complexity of an organism, as well as the division of labor within it. Each kind of organism has its own set of survival benefits.
Unicellular organisms are organisms that have one cell. They are divided into two quite different types, from different classification kingdoms. 1  The prokaryotes, bacteria and archaea, have cells with no nucleus and a simple cell structure. 2  Eukaryotes have a nucleus, and a more complex cell structure.