natural selection
Across
- 2. a group of living organisms consisting of similar individuals capable of exchanging genes
- 4. selection organisms better adapted to their environment tend to survive
- 6. hide or disguise
- 7. difference in DNA among individuals or the differences between populations.
- 10. known for the theory of natural selection
- 12. carefully thought-out explanation for observations of the natural world
Down
- 1. he best-known early evolutionists. ...
- 3. develop gradually, from a simple to a more complex form.
- 5. to alter the genetic message carried by that gene
- 8. of Evolution process of change in all forms of life over generations
- 9. a change or adjustment to improve something
- 11. derive a quality, characteristic, or predisposition genetically