5.L.1.1 :: Unicellular vs. Multicellular Organisms

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unicellular
Made up of a single cell.
multicellular
Made up of more than one cell.
organism
Any living thing
transport system
A system for moving materials around a multicellular living organism
life functions
The essential activities for all living things
6 life functions
growth, movement, reproduction, nutrition, excretion, and gas exchange
examples of unicellular organisms
amoeba, euglena, paramecium, bacteria
cell
Basic unit of all living things
tissue
A group of similar cells that perform the same function (example: skin)
organ
A structure in the body that is composed of different kinds of tissue (example: stomach, heart)
organ system
Group of organs that work together to perform a specific function (example: digestive system)
cell specialization
the process in which cells develop certain ways to perform certain tasks