Across
- 3. condition in which an organism maintains a stable internal environment
- 6. structure composed of two or more types of tissues that work together to do a specific task
- 9. theory that all organisms consist of one or more cells; that cells are alive and the site of all life processes; and that all cells come from pre-existing cells
- 10. thin coat of phospholipids that surrounds a cell and controls what enters and leaves the cell
- 11. rigid layer that surrounds the cell membrane of a plant cell or fungal cell and that supports and protects the cell
- 12. group of organs that work together to do the same overall job
- 13. life form, or living thing
- 15. group of specialized cells of the same kind that perform the same function
- 16. any structure inside a eukaryotic cell that is enclosed by a membrane and does a special job inside the cell
- 17. cell in which most of the cell’s DNA is enclosed in a nucleus and which has other membrane-bound organelles
Down
- 1. production of offspring
- 2. reaction to a stimulus by a living organism
- 4. unit of structure and function of all living things
- 5. something in the environment that causes a reaction in an organism
- 7. organelle in a eukaryotic cell that contains most of the cell’s DNA
- 8. cell in which the cell’s DNA is not enclosed within a nucleus and which lacks other membrane-bound organelles
- 14. organelle in eukaryotic cells that uses energy in glucose to make ATP, which cells can use for energy