natural selection

5. any complete set of individuals, objects, or events that share a common characteristic
8. the science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
9. the process whereby organisms better adapted to their environment tend to survive and produce more offspring.
12. relating to genes or heredity
13. the action or process of adapting or being adapted.
15. the founder of natural selection

1. the deliberate modification of the characteristics of an organism by manipulating its genetic material
2. an animal's young
3. distinguishing quality or characteristic
4. he continued existence of organisms which are best adapted to their environment, with the extinction of others
6. the process where humans intentionally choose and breed organisms with specific, desirable traits
7. an animal that is caught and killed by another for food
10. the natural home or environment of an animal, plant, or other organism
11. an animal that naturally preys on others
14. an individual animal, plant, or single-celled life form