7.L.3B.1 Develop and use models to explain how the structural organizations within multicellular organisms function to serve the needs of the organism.
In unicellular (single-celled) organisms, the single cell performs all life functions. It functions independently. However, multicellular (many celled) organisms have various levels of organization within them. Individual cells may perform specific functions and also work together for the good of the entire organism. The cells become dependent on one another.
Click on the link below to explore levels of organization and see examples of each.
Click on the link below to explore levels of organization and see examples of each.
Think you have it all figured out? Take the practice quiz below to see what you need to review before the test. Click on the links below to test your knowledge.