Across
- 3. anatomical similarities due to a common ancestor
- 4. process where humans choose traits to create more favorable offspring
- 7. group containing all descendants of a common ancestor
- 9. the evolutionary history of lineages
- 12. controlled by multiple genes
- 13. diagram showing evolutionary relatedness of organisms
- 15. process of nature favoring an individual that is more adapted to its environment
- 18. containing all the descendants of a common ancestor
- 19. the percentage of the gene pool composed of a certain allele
- 20. two name naming system
- 21. type of selection that favors the average phenotype
- 24. missing one or more of the descendants of a common ancestor in the group
- 25. the largest grouping of living things
Down
- 1. type of selection that favors one extreme phenotype
- 2. ability to survive and produce more offspring
- 5. published "On the Origin of Species by Natural Selection"
- 6. heritable characteristic that increases fitness in a given environment
- 8. all the alleles in a population
- 10. created the original classification system for living things
- 11. similarities in DNA or amino acid sequences
- 14. different phenotypes for the same trait
- 16. type of selection that favors both extreme phenotypes
- 17. skeletal remains of a dead organism preserved in the earth
- 22. newer, not ancestral
- 23. group of individuals of the same type capable of producing viable, fertile offspring