Across
- 2. changes overtime
- 3. traits determine if an animal will survive
- 5. characteristics
- 6. a group of animals that belong to the same group
- 9. the movement of genes (migration)
- 11. difference in traits
- 12. distant relative
Down
- 1. random removal of genes
- 4. an inherited trait that allows for survival
- 7. all animals of a species die out
- 8. being able to survive and reproduce
- 10. what color fur would be a good adaptation for mice on gray sand?