Across
- 3. all living things must maintain this, by keeping their internal environments the same despite changes in their environment
- 6. the smallest independently existing part of matter
- 9. in order to stay alive, organisms must be able to obtain and use this
- 10. parts of a cell that perform specific jobs to keep the cell alive
- 11. this organelle surrounds plant cells and some bacteria cells providing support and structure
- 13. the smallest part of a living organism that can perform all the functions of life
- 18. the organelle that breaks down glucose, releasing energy from it, to power the cell
- 20. a special type of molecule that is very large and makes up living things
- 21. this organelle surrounds the cell controlling what enters and leaves the cell
- 22. the organelle that stores extra water and nutrients for the cell
Down
- 1. the exchanging of gases necessary for life between the organism and its environment
- 2. the fluid that fills the cell, allowing movement of molecules and organelles
- 4. made of many cells
- 5. made of only one cell
- 7. the theory that states that living things are made of cells and that cells carry out all the functions necessary to life
- 8. a living thing
- 12. this organelle makes glucose, the food, for plant cells
- 14. two or more atoms that have bonded through the sharing of electrons
- 15. all things can do this to pass on their genetic material to offspring
- 16. all living things can do this, changing over their lifetime
- 17. the organelle that makes and stores DNA, the code that contains the instructions for the cell
- 19. all living things can respond to this, things in their environment