Across
- 2. A place equipped for scientific experiments
- 6. An underground conduit for waste
- 8. A person or animal with whom one spends time
- 9. A change in the DNA sequence within a gene or chromosome of an organism
- 10. The brain's ability to reorganize itself by forming new neural connections
- 14. A widespread occurrence of an infectious disease
- 15. The conditions in which living things exist
- 16. The process by which an economy shifts to manufacturing
- 19. A contagious bacterial disease
- 21. A species able to thrive in various environments
- 23. A group of living organisms consisting of similar individuals capable of interbreeding
- 24. The complete set of genes in an organism
- 25. A change by which an organism becomes better suited to its environment
- 26. Relating to past events
- 27. A substance that can cause illness or death
- 28. Tending to spread prolifically and harmfully
- 29. The classification of organisms in an ordered system
Down
- 1. Systematic investigation to establish facts
- 3. The process by which new organisms are produced
- 4. The ability not to be affected by something, especially adversely
- 5. The growth of cities
- 7. The process by which organisms change over time
- 11. A belt of the heavens divided into twelve signs, each associated with certain symbolic meanings
- 12. The act of killing or destroying completely
- 13. A microorganism that causes disease
- 14. The branch of biology dealing with the relations of organisms to one another and their surroundings
- 17. The process of taming an animal and keeping it as a pet or on a farm
- 18. An unusually large number of animals or insects in one place
- 20. Wild mammals or birds that are harmful to crops, farm animals, or game
- 22. Interaction between two different organisms living in close physical association