Natural Selection

4. Trait A trait that has no specific value with respect to natural selection, being neither useful nor harmful for reproductive success.
6. Derived genetically from one's parents or ancestors.
8. The surroundings or conditions in which a person, animal, or plant lives or operates.
9. Selection The process whereby organisms better adapted to their environment tend to survive and produce more offspring.
12. An individual animal, plant, or single-celled life form.
13. The changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations.
14. A feature or quality belonging typically to a person, place, or thing and serving to identify it.
15. The process by which new species or populations of living things develop from preexisting forms through successive generations.

1. An animal's young.
2. Trait A genetic trait that helps an organism to maximize its reproductive success.
3. A form or version of something that differs in some respect from other forms of the same thing or from a standard.
5. All of theanimals born and living at about the same time, regarded collectively.
7. A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
10. A distinguishing quality or characteristic.
11. A particular section, group, or type of people or animals living in an area or country.