Across
- 3. comparing genes of different organisms
- 5. form of evolution that is the accumulation of differences among groups which can lead to new species
- 7. independent evolution of similar features in species of different lineages
- 9. known as survival of the fittest
Down
- 1. variation diversity in gene frequencies
- 2. separation of a species or population so they no longer interbreed and evolve into 2 separate species
- 4. organisms share common ancestors
- 6. database that documents changes in past life on Earth
- 8. form of isolation where 2 populations are separated by geographic barriers
- 10. organisms diversify rapidly into a multitude of new forms(hint=_____ radiation)
- 11. heritable trait that increases an organisms ability to survive and produce in an enviornment