Across
- 4. Scientist who studies plants.
- 5. A beetle that kills cotton plants.
- 7. An addition to something.
Down
- 1. Study of plants.
- 2. Giving an inventor the only right to make, use, or sell his or her invention.
- 3. To end something.
- 6. A person's job.
- 8. To sign up for something.