Unicellular Organism: , made of one cell, has a shorter life span, amoeba, bacteria, paramecium, can survive as a single cell, very small; must use a microscope to see it, each cell performs all life functions within it, takes in materials directly from surroundings, materials move freely around the cell, Multicellular Organism: cells are specialized and perform different functions, made of more than one cell, examples: humans, plants, animals, cannot survive as a single cell, has a longer life span, usually able to be seen with the naked eye, , has transport systems to move different materials throughout the body,

Unicellular vs. Multicellular Organisms (5.L.1.1)

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