Across
- 3. species with the better traits for the enviroment survive and reproduce
- 5. a process in which species adapt to their enviroments
- 7. the difference between traits in the same species
Down
- 1. organims that strive for the same resource in the same enviroment
- 2. the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth
- 4. the naturalist that created the theory of evolution
- 6. living organisms