Across
- 3. A cherecteristic or trait that helps an originism survive in its enviroment
- 6. A change in DNA sequence can orgisism
- 8. the process through which different kinds of living orginisms
- 9. The preserved remains or the traces of orginisms from the past
- 10. selection The mechanism by which individuals that are better adapted to thier enviroment
Down
- 1. A group of originisms that can interbreed and produce firtle offspring
- 2. The differences in physical traits among individuals of the same speices
- 4. The scientific study of the history of life on earth
- 5. The study of heredity and the variation of inherited charecteristics
- 7. ancestor An early from which differences species have evolved