Science Natural Selection
Across
- 3. reproduce at a better rate because they are better suited for their environment
- 4. all of the features that an organism inherits
- 7. change in the genetics of a species over time
- 8. only when two of them are present
- 9. part of the DNA code on a chromosome
- 10. process in which DNA changes
- 13. the environment's effect on genetic makeup
- 14. often seen in each generation
- 15. the production of many species from one ancestral species
Down
- 1. when the last of a species dies
- 2. inherited trait that makes us different than others of the same species
- 5. the different forms of a gene
- 6. helps make genetic predictions
- 11. study of heredity
- 12. genes that an organism has, its genetic makeup