| A | B |
| the fluid inside a cell | cytoplasm |
| cells that do not have a nucleus | bacteria |
| the control center of a cell | nucleus |
| organelle that modifies, packages, and transports material out of the cell | golgi bodies |
| describes an organism that can exist only as a group of cells | multicellular |
| a single____ has all of the items necessary to carry out life's activities. | cell |
| a combination of two or more tissues working together to perform a specific job in the body | organ |
| scientist who first observed cells under a microscope | Hooke |