Across
- 2. defined as the capacity to adapt
- 5. the number of factors that affect natural selection
- 7. characterized as 'descent with modification'
- 9. the early development stage of an organism
- 10. the separation of characteristics of an organism from the group
Down
- 1. the animal used by Lamarck to prove the Law of Use and Disuse
- 3. the man credited with the theory of evolution
- 4. contains preserved remains of plants and animals
- 6. any change in the genetic material of an organism
- 8. one of the factors that affect natural selection