Across
- 1. movement of genetic material through organisms
- 8. theory that eukaryotic cells came from prokaryotic cells
- 11. chemical that kills pests
- 14. things that separate a group; water, mountains, etc
- 15. struggle for survival
- 17. structures that are no longer used
- 20. changes of a group/organism over time
- 21. timeline of fossils
- 22. antibodies are passed to you; breast feeding
- 23. characteristics that allow an organism to thrive
- 24. all organisms are related by a ______
- 25. structures that look similar but have different functions
Down
- 2. factors that prevent a specific number of a species: water, food, resources
- 3. variety of living things
- 4. bacteria not affected by antibodies
- 5. your body produces antibodies
- 6. organisms with helpful traits survive
- 7. medicine that fights viral infections
- 9. a species is separated by its group due to a barrier
- 10. medicine that kills bacteria
- 12. study of embryos to show how organisms are related
- 13. proteins that fight pathogens
- 16. chemical that kills insects
- 18. creation of a new species
- 19. using anatomy to show how organisms are related