Across
- 4. Scientist who proposed the theory of evolution through natural selection.
- 5. The process by which two or more species influence each other's evolution.
- 7. Evidence of evolution in the form of similarities in biochemical structures in different organisms.
- 13. The structure of DNA that carries genetic information.
- 15. Slow and gradual evolutionary change.
- 17. The geographical distribution of different species that have a common ancestor.
- 18. The science that studies the classification of living things
- 19. Factors that influence natural selection, such as food availability and predators.
- 21. Genetic changes that lead to better adaptation.
- 22. The process of evolution that occurs due to random changes in allele frequencies.
- 24. evolution The process of evolution that results in species that are similar because of adaptation to the same environment.
- 30. Similar embryonic structures in different species, evidence of a common ancestor.
- 32. The process of gradual change in living things over a long period of time.
- 33. Genetic variation within a population.
- 34. The study of the inheritance of traits.
- 35. Large changes in the scale of evolution, such as the emergence of new species.
- 36. The theory of evolution that states that living things that are used frequently will develop, while those that are not used will shrink.
- 39. Adaptive changes in organisms to survive in their environment.
- 40. Similar body structures due to common ancestry.
Down
- 1. Genetic changes that are unfavorable and can reduce survival.
- 2. The process by which species develop different traits due to geographic isolation.
- 3. Rapid evolutionary change in a short time.
- 6. Scientist who supported Darwin's theory of evolution with a similar theory of natural selection.
- 8. Changes in allele frequencies in a population from generation to generation.
- 9. Organs that have different functions but the same basic structure.
- 10. Genetic changes that are neutral and do not affect survival.
- 11. The evolutionary process that produces similarities between different species due to adaptation to the same environment.
- 12. evolution The process of evolution that results in increasingly simple body organs.
- 14. The process of evolution that occurs due to random mating in a population.
- 16. The process of forming new species.
- 20. Organs that have the same function but different basic structures.
- 23. selection The process by which organisms that are better able to adapt will survive and reproduce.
- 25. The process of evolution that results in increasingly complex body organs.
- 26. Branch of biology that studies fossils.
- 27. Remains of past organisms that help study evolution.
- 28. evolution The process of evolution that results in species that are very different from their ancestors.
- 29. Evidence of evolution in the form of body organs that no longer function.
- 31. The evolutionary process that produces diversity of species from a common ancestor.
- 37. Changes in genetic material (DNA) that can be inherited.
- 38. Body structures that have the same function but different evolutionary origins.