Across
- 4. binary fission reproduction where the organism splits into two identical halves
- 6. cells that do not have a nucleus or other organelles, such as bacteria
- 7. organism made up of only one cell
- 9. the smallest level of organization for a living thing; the building block of all organisms
- 10. a group of organ systems working together to perform a similar function
Down
- 1. cells that have a nucleus and other organelles and are surrounded by a cellular membrane
- 2. a group of cells working together to perform a similar function
- 3. an organism that lives in moist or wet places, can be single-celled organisms or multi-celled organisms
- 5. a group of organs working together to perform a similar function
- 8. a group of tissue working together to perform a similar function