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.
All multicellular organisms may be seen with the naked eye, as they are large. Multicellular organisms have evolved from unicellular organisms. They have specialized cells for performing different functions. The cells of the heart are different from the cells of the liver and the brain. As opposed to multicellular organisms, there are unicellular organisms, such as amoeba, paramecium, viruses of various kinds and bacteria.