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ch.19 vocabulary..

TermDefinition
Colonial organism a group of cells that are permanently associated but that do not communicate with one another.
aggregation a temporary collection of cells that come together for a period of time and then seperate.
multicellular an organism composed of many cells that are permanently associated with one another.
differentiation process by which cells develop a specialized form and function.
tissue distinct group of cells with similar function structure & function.
organ is specialized structure with a specific function.
organ system various organs that carry out a major body function.
protists defined on the basis of a single characteristic.
vascular tissue made up of specialized cells that play role in transporting water & dissolved nutrients.
invertebrates lack a backbone.
vertebrates have a backbone.
Created by: tykeesha
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