Across
- 1. a group of similar organisms that can reproduce together
- 2. evidence of life from the past
- 6. being unlike something else
- 8. the change in a species to suit its environment better
- 9. an organisms arm, leg, or wing
- 10. a characteristic of an organism
- 12. the study of body structure
- 15. the living and non-living factors that surrounds an organism
- 16. process in which traits are passed from parents to offspring
- 19. the change in a species over time
- 20. a diagram that shows evolutionary relationships amongst organism
- 22. means "differences" or "variety"
- 24. the role an organism plays in its ecosystem
- 25. a much older, related organism from a previous generation
- 26. to put things together to see how they are the same
Down
- 1. the process of one species evolving into a new species
- 3. being alike to something
- 4. to put things together to see how they are different
- 5. an animal with a background
- 7. a species that has died out completely on Earth
- 11. a scientist who studies fossils
- 13. the random change in DNA
- 14. someone/something who is related to an ancestor
- 17. the connection or sharing between two things
- 18. meaning "same"; such as similar traits
- 21. the line of descent from an ancestor to a particular organism or species
- 23. an organism in the earliest stages of development
