Across
- 3. sections of DNA that turn Genes on and off
- 5. A species that is similar but slowly evolves many different traits to become two different species
- 6. branch of phylogenetic tree that bases evolution on physical traits
- 9. the ability of an organism to reproduce in its environment
- 13. Selection by which species move away from compromise, towards both extremes
- 14. Domain, Kingdom, phylum, Class, Order, Family, Genus, Species
- 18. Name of an organism based on Genus and species
- 21. Father of Taxonomy
- 22. organizes organisms by common DNA to find a common ancestor
- 23. the process of a gene coming into or leaving a species
- 24. Physical features defined by genes
- 25. New traits in one species
Down
- 1. A force that causes evolution
- 2. The evolution of species based on a selection pressure
- 4. Two species that evolve similar traits with no common ancestors
- 7. Combination of Darwin's and Mendel's theories
- 8. Creator of theory of natural selection
- 10. A change in traits in a species made to adapt to the new environment
- 11. When a species is split up into two or more groups by change in location
- 12. system by which organisms are classified
- 15. sections of DNA that code for traits
- 16. Selection by which species moves toward one extreme or the other
- 17. different traits in the same species
- 19. One species evolving differently to become more than one
- 20. Selection by which extremes get eliminates