Across
- 8. the system that consists of lungs, tubes, and diaphragm
- 9. organisms that eat meat
- 10. long, hollow tubes in plants that take water from the soil
- 11. special cells that make up your brain
- 12. a single cell organism used to make bread
- 14. organisms that eat plants
- 16. this is required before the brain can create a response
- 17. all cells are filled with this liquid which is mostly water
- 18. a system made up the core, mantle, and crust
- 19. a part of the digestive system that goes from the mouth to the stomach
- 20. get their food by eating plants or other animals
Down
- 1. the system of blood vessels and the heart
- 2. the gases surrounding Earth
- 3. organisms that feed on dead vegetation
- 4. a process that plants use to make sugar
- 5. the process where water evaporates through tiny holes in leaves
- 6. an example of primary consumers
- 7. the water on Earth in the rivers, lakes and seas
- 13. a collection of interacting parts
- 15. all the plants, animals, and other living things