Across
- 1. a part of a tree that grows out from the trunk and usually has leaves
- 4. a part of a plant that is usually under the ground
- 6. a cold, forest environment where trees often have needle-shaped leaves
- 8. information that can be used to support or reject an idea
- 9. all the living and nonliving things in a particular place
- 10. a pretend version of something that scientists use when the real thing is too big, small, or complicated to work with
- 12. the inside of something, including the inside of living things
- 13. the thick middle part of a tree
Down
- 2. a physical trait or behavior that helps a living thing survive in its environment
- 3. a group of things that affect each other and function as a whole
- 5. what something does
- 7. the specific form and shape of something
- 8. the outside of something, including the outside of living things
- 11. a part of a plant that is often flat and green
