SCIENCE
Across
- 3. What is the process by which species change over time through natural selection?
- 4. What is the separation of populations that can lead to the formation of new species over time?
- 9. What term refers to body structures in different species that perform similar functions but do not share a common evolutionary origin?
- 12. What large, non-venomous snakes are known for constricting their prey?
- 13. What is the seasonal movement of animals from one region to another for survival?
- 16. What is the evolutionary process by which new biological species arise?
- 17. What term describes the transfer of genetic material between populations through reproduction?
- 18. What process describes the formation of new species within the same geographic area without physical barriers?
- 19. What type of medicine is used to kill or inhibit the growth of bacteria?
- 20. What group of primates includes modern humans, chimpanzees, gorillas, and their ancestors?
Down
- 1. What term describes anatomical features in different species that share a common ancestor but may have different functions?
- 2. What extinct subspecies of zebra had a distinctive coat pattern and lived in South Africa?
- 5. What are body parts that have lost their original function through evolution?
- 6. What are preserved remains or traces of ancient organisms found in sedimentary rock?
- 7. What is the early developmental stage of an organism before birth or hatching?
- 8. What occurs when physical barriers, such as mountains or rivers, prevent populations from interbreeding?
- 10. What are segments of DNA that determine hereditary traits?
- 11. What is the basic unit of biological classification, consisting of organisms that can interbreed and produce fertile offspring?
- 14. What type of cells are responsible for reproduction and give rise to sperm and eggs?
- 15. What macromolecules are composed of amino acids and are essential for cell structure and function?