Across
- 3. a characteristic displayed in an organism
- 5. reason an organism might need to adapt to its environment
- 8. the study of the Earth and the processes that shape it
- 10. one half times mass times velocity squared
- 11. a physical or behavioral characteristic that helps an organism survive in it's environment
- 13. Cross breeding plants w/ desired traits
- 14. best known for work on natural selection
Down
- 1. organisms with more favorable traits are more likely to survive and reproduce.
- 2. a section of DNA that codes for a specific trait
- 4. history of life stored in rock layers
- 6. structures that no longer serve a purpose like the human appendix and wisdom teeth
- 7. all organisms that constitute a specific group (species) in a specific habitat or environment
- 9. ancient whale ancestor walked on land
- 12. rocks formed from cooling lava
- 13. results in melting polar ice and rising sea level