Across
- 2. An organism’s ability to survive and reproduce.
- 6. Body parts with similar structure due to common ancestry.
- 10. Molecule built from amino acids that reflects genetic instructions.
- 11. An earlier species from which two or more species evolved.
- 12. Preserved remains or traces of ancient organisms.
- 13. Change in allele frequency in a population over time.
- 14. A heritable trait that increases survival or reproduction.
- 16. Remnants of structures that had a function in an ancestor.
Down
- 1. Body parts with similar function but different evolutionary origins.
- 3. Process by which individuals with favorable traits survive and reproduce more.
- 4. Differences in traits within a population.
- 5. A change in DNA sequence.
- 7. A group of individuals of the same species living in the same area.
- 8. Frequency - How common an allele is in a population.
- 9. Organisms that can interbreed and produce fertile offspring.
- 15. Molecule that carries genetic information.