| A | B |
|---|
| cells | all living things are made up of these |
| osmosis | type of diffusion in which water passes through the cell membrane |
| cilia | hair-like structures that guide food particles into a paramecium's oral groove |
| flagellum | a whip-like structure that helps single-celled organisms (like euglena) move by spinning like a propeller |
| organelles | membrane-covered structure in a cell that performs specific functions |
| nucleus | directs the activities of the cell and stores DNA |
| diffusion | the movement of particles from an area of high concentration to an area of low concentration |
| fungi | kingdom of living things; its organisms are multicellular, have nuclei, and often feed on decaying matter |
| kingdom | largest group of organisms that share traits in common |
| protist | kingdom of living things; its organisms are mostly one-celled but have nuclei and other organelles |
| organ | group of one or more kinds of tissues that work together to perform the same function |
| organ system | group of interconnected organs that perform related life functions |
| tissue | group of one or more kinds of specialized cells that perform the same function |
