Across
- 2. – Process favoring certain traits over others
- 5. – The continuation of life despite challenges
- 6. – Measure of reproductive success in a population
- 8. – Differences in traits among individuals of a species
- 10. – Unit of heredity passed from parent to offspring
- 11. – Trait that improves an organism’s chance of survival
- 12. – Gradual change in a population over time
Down
- 1. – Trait that can be passed from one generation to the next
- 3. – Term describing lineage or ancestry over generations
- 4. – Change in DNA sequence that may affect traits
- 7. – Group of organisms capable of interbreeding
- 9. – Type of selection that occurs in the wild (as in ___ selection)