Across
- 2. Features present in modern animals that are no longer in use
- 3. Father of Evolution
- 8. When too many offspring are produced
- 11. Change in a species over several generations
- 12. Similar elements that suggest a common ancestor
- 13. Structures that evolved to do the same job
- 14. Different traits in individuals of the same species
- 15. The dying out of a species
Down
- 1. A trait or behavior that helps an organism survive and reproduce
- 4. A group of living organisms consisting of similar individuals
- 5. Random change in DNA
- 6. Food, water, & other resources are limited and fought over
- 7. Able to survive & reproduce
- 9. Preserved remains of an organism
- 10. one living species in a geographic area
- 13. Bodily structure