Across
- 4. population size shrinks due to an event
- 7. core biological mechanism where organisms are better adapted to ther environmentindividuals a group of indivisuals belonging to the same species that live in the same area
- 10. random change in the frequency of gene
- 12. observable outcome or influence a specific gene
- 14. occurs when one organism evolves to resemble another one
- 16. movement of indivisuals
- 18. type of natural selection, intermediate traits are favored
- 20. indivisuals leaving a population to move somewhere else
Down
- 1. core principle in population
- 2. new population starts from a small group
- 3. a prezygotic reproductive barrier
- 5. the proportion or % of a specific gene
- 6. extreme traits over intermediate ones
- 8. differences in DNA sequency
- 9. one extreme phenotype is favored over the other
- 11. population of organisms separated
- 13. any substance or object from the environment
- 15. organisms ability to survive and reproduce
- 17. the total collection of all genes and differences
- 19. change or a process of change of an organism