Across
- 1. how organisms are grouped based on their traits.
- 3. a living thing
- 5. another word for characteristic
- 7. an organism with no spine
- 8. the study of living things
- 9. a quality or trait
Down
- 2. a person who studies science and does experiments to reach conclusions.
- 4. an organism with a spine
- 6. a scientist who studies living things
- 9. the smallest part of a living thing