evolution

3. structures extra body part that is not needed by the organism
5. Soup Theory theory that suggest life began in a pond
6. Theory theory that proposes eukaryotic cells evolved
8. evolution when unrelated species occupy similar environments
10. selection when natural selection favors one extreme variation in a trait
11. selection natural selection that favors average individuals in a population
12. structures structures that have a different structural makeup but have the same function

1. selection individuals with either extreme of a trait are favored over average individuals
2. any inherited behavior that enables an organism to respond to their environment and produce offspring
4. structures structures that are the same but have different functions in different species
7. selection theory as an explanation for how change happens over time
9. evolution a pattern of evolution in which species that were once similar to an ancestral species become extremely distinct