Across
- 3. Any living thing
- 5. A trait that helps an organism live better in its environment
- 7. To stay alive
- 9. The young or babies of living things
- 13. traits Features passed from parents to offspring
- 15. Change in living things over time
- 16. A change in DNA that can create new traits
Down
- 1. variation Differences in DNA that make individuals unique
- 2. ancestor An older species that two or more species came from
- 4. Darwin Scientist who explained evolution by natural selection
- 6. To make more of the same kind of organism
- 8. The surroundings where an organism lives
- 10. selection Process where the best-adapted organisms survive and reproduce
- 11. A group of similar organisms that can reproduce together
- 12. All the offspring born around the same time
- 14. To stop living
