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News | Gainesville.com | The Gainesville Sun | Gainesville, Fla. (Site not responding. Last check: 2007-10-10) |
 | | An example would be a vertebrate digestive system, in which the mouth and esophagus ingest food, the stomach crushes and liquifies it, the pancreas and gall bladder synthesize and release digestive enzymes, and the intestines absorb nutrients into the blood. |
 | | The oldest known taxonomically resolved multicellular organism is a red algae, Bangiomorpha pubescens, found fossilized in 1.2 billion year old rock from the Ectasian period of the Mesoproterozoic era. |
 | | Therefore, the development of sexual reproduction in unicellular organisms during the Ectasian period is thought to have precipitated the development and rise of multicellular life. |
| www.gainesville.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=multicellular (499 words) |