Across
- 3. Parts of DNA
- 6. __________ breeding is something people control.
- 7. ___________ alleles are shown with uppercase letters.
- 10. groups of the same living things in the same place.
- 11. when a type of living things no longer exists.
Down
- 1. how living things change over time.
- 2. groups of different living things in the same place.
- 4. ___________ alleles are shown with lowercase letters.
- 5. _________ selection happens naturally.
- 8. a child of a living thing.
- 9. makes every living thing the way it is.