Across
- 2. an individual animal, plant, or single-celled life form.
- 3. cell a cell in an animal
- 5. a number of organized or specialized structures within a living cell.
- 9. system a system of organs functioning in humans
- 12. system the system that circulates blood and lymph through the body
- 13. wall protects the cell and provides strength.
- 15. system the system that removes waste from the body.
- 17. any of the distinct types of material of which animals or plants are made
- 19. cell a cell in a plant
- 21. consisting of many cells
- 22. single-celled animal
- 24. the way and amoeba gets food
- 25. system a group of organs that work together to perform one or more functions.
Down
- 1. single-celled freshwater animal that has a characteristic slipper-like shape and is covered with cilia.
- 4. system where food is digested
- 6. light-sensitive pigmented spot
- 7. produces energy.
- 8. green single-celled freshwater organism with a flagellum
- 10. sacs for storage digestion and waste removal
- 11. consisting of a single cell
- 14. slender threadlike structure
- 16. short microscopic hairlike vibrating structure
- 18. the process by which green plants and some other organisms use sunlight to make foods
- 20. control center of the cell
- 23. a single-celled aquatic organism