Evolution and Natural Selection
Across
- 1. Microorganisms that can develop resistance to antibiotics
- 4. A type of reproduction that does not involve the fusion of gametes
- 7. Features that enhance survival
- 9. A method of asexual reproduction in bacteria
- 11. Similar functions but different structures in organisms
- 12. Vesigial structures that serve no purpose
- 13. A form of beneficial variation that enhances reproductive success
- 16. Changes within a population over generations
- 17. Random reduction in a population size
- 18. Variation of a trait in a population
- 20. The process where organisms better adapted to their environment tend to survive and reproduce
Down
- 2. Ability of an organism to survive in its environment
- 3. The emergence of a new species
- 5. Structures that provide evidence of common ancestry
- 6. Traits influenced by environmental pressures in a population
- 8. Type of reproduction involving two parents
- 10. Genetic variation introduced by movement of individuals
- 14. The concept that organisms can evolve together
- 15. The passing on of traits from parents to offspring
- 19. Change in allele frequency due to random events