Biology Puzzle

4. single-celled organisms of the domains Bacteria
6. organelle which are filled with water within a cell membrane.
8. All animals, fungi and plant cells are eukaryotes.
9. changing from one place to another
11. process of removing toxic substance from the body.
12. wall an outer layer surrounding certain cells that is outside of the cell membrane. All cells have cell membranes, but generally only plants,
14. The fluid inside a cell but outside the cell's nucleus.
15. the powerhouses of cells.
16. food or nourishment.
17. contains DNA.
19. a structure found inside cells that is involved in making proteins.
20. a kind of fungus which is used to make bread rise, and in making alcoholic drinks such as beer.

1. The organelles are only found in plant cells ; site of photosynthesis.
2. process of producing offspring
3. small circular DNA molecule found in bacteria and some other microscopic organisms
5. movement of air into and out of the lungs.
7. carbohydrate that is the chief part of the cell walls of plants and is commonly obtained as a white stringy substance
10. size of development
12. membrane found in all cells and separates the interior of the cell from the outside environment
13. green pigments used by organisms that convert sunlight into energy via photosynthesis.
18. an organism or sense organ to respond to stimulation