natural selection

5. the product or result of something.
6. Selection, made or produced by human beings rather than occurring naturally, especially as a copy of something natural.
10. British naturalist who proposed the theory of evolution based on natural selection
12. 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.
13. a distinguishing quality or characteristic, typically one belonging to a person
14. of the fittest, the continued existence of organisms which are best adapted to their environment, with the extinction of others, as a concept in the Darwinian theory of evolution.
15. an individual animal, plant, or single-celled life form.

1. an animal that hunts, kills, and eats other animals to survive
2. an animal that is hunted or killed by another animal for food.
3. enigneering, the process of altering an organism's DNA to introduce or modify specific traits
4. the whole number of people or inhabitants in a country or region
7. the study of heredity and the variation of inherited characteristics.
8. the natural home or environment of an animal, plant, or other organism.
9. a change or the process of change by which an organism or species becomes better suited to its environment.
11. selection, a process where organisms that are better suited to their environment tend to survive and reproduce more successfully than those that are not