Natural Selection

1. A way breeding can be done non-naturally for science purposes
4. The genetic makeup of an organism
5. What it is called when there are negative effects
6. Something that may help animals blend in better
9. Physical Appearance
11. When organisms change and branch off from a common ancestor
13. The study of genes
15. Charles Darwin's famous book
17. Something that was useful previously but through evolution became irrelevant
18. When a species no longer exists
20. Relating to Heredity

2. The total process by which an organism that is better suited for an environment lives longer
3. The process by which organisms better adapted survive A trait that improves ability to survive and reproduce
7. The ability of an organism to reproduce and live
8. What it is called when something helps
10. The process for when species change over time
12. A change in the DNA
14. Type of change in the way things act
16. The area where an organism lives
19. Something inherited by a parent