Natural selection

4. an animal's young
5. a particular section, group, or type of people or animals living in an area or country
6. the natural home or environment of an animal, plant, or other organism
9. a distinguishing quality (as of personal character)
10. the evolutionary process whereby an organism becomes better able to live in its habitat or habitats

1. the study of how genes and how traits are passed down from one generation to the next
2. an animal that is hunted or killed by another animal for food.
3. the process through which populations of living organisms adapt and change
4. an individual animal, plant, or single-celled life form
7. 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
8. an organism that captures and eats another