Evolution

5. any changes made to dna
6. cretited with being the father of modern evolutionary theory
7. the basic unit of hereditary that consists of segements of Dna on a chromosome
11. The process through which members of a species that are best suited to their enviorment survive and reproduce at a higher rate than other members of the species
12. similar structure such as bones that appear in a number of different species of animals
13. a set of widely accepted explanations of obsevation and phenomena
14. when humans manipulate and select which desired traits will be passed on
15. A physical structure that was fully developed and functional in an earlier group of organisms but is reduced and unused in later species

1. one of several periods in earth's history when large numbers of species became extinct at nearly the same time
2. A characteristic , a behavior or any inherited trait that makes a species able to survive and reproducein a particular enviorment
3. ancient organisms that appear to demonstrate the point where one species of an organism begins to change into another organism or even where one phylum of an organismis changinginto another
4. The evolution of a new species from an existing species
8. the process through which species change over time
9. a distant orearly form of and organism from which later forms decend
10. inprint or hardened remains of an plant or animal that lived long ago
16. A process where scientists measure the amount of residual radiation remaining to determine its age