Across
- 3. The simplest structural and functional unit of all living things
- 4. Small body in a cell's cytoplasm that is specialized to perform a specific function
- 5. A group of organs that work together to perform body functions
- 6. Arrangement of its parts
- 8. A structure made up of a collection of tissues that carries out a specialized function
- 9. A group of similar cells that perform a common function
Down
- 1. Single-celled organism that does not have a nucleus or membrane-bound organelles
- 2. Any living thing
- 3. Activity the parts carry out
- 7. An organism made up of cells that contain their DNA in a nucleus