Across
- 6. the hard, outer covering of a tree that protects it from harm or sickness
- 7. the branches and leaves of a tree
- 10. structures on the outside of an organism
- 11. tubes in the stem that carry food from the leaves to the other parts of the plant
- 12. something in nature that helps plants, animals, and people live and grow
- 13. the parts that an organism is made of
- 15. structures on the inside of an organism
Down
- 1. to work together for a purpose or design
- 2. the main root of the plant
- 3. Living thing
- 4. the study of the world based on observations and the use of models
- 5. a simple way to represent a more complex object or idea
- 8. the process of plants making food using energy from the sun, carbon dioxide, and water
- 9. A worldview is the way a person thinks about and understands the world.
- 14. straw-like tubes in the stem that move water from the roots to the leaves
