Natural Selection
Across
- 4. _____darwin
- 6. the transmission of traits or information from one generation of individuals or cells to the next.
- 8. the change in the characteristics of a species over several generations
- 9. a change or difference in condition, amount, or level, typically with certain limits.
- 10. charles____
Down
- 1. a theory of biological evolution made by charles darwin
- 2. remains of animals
- 3. the branch of biology that deals with phylogenesis.
- 5. natural______
- 7. existing in or caused by nature; not made or caused by humankind.