Across
- 3. The variety of life in the world or a particular habitat
- 6. The process by which organisms with favorable traits survive and reproduce
- 8. The ability of an organism to survive and reproduce in its environment
- 10. A change in a species over time
- 11. The process by which humans breed organisms for desired traits
Down
- 1. The scientist who developed the theory of evolution by natural selection
- 2. The process where species evolve from a common ancestor
- 4. Structures that have lost their original function through evolution
- 5. A characteristic that increases an organism’s ability to survive and reproduce
- 7. The study of similarities and differences in embryos of different species
- 9. The preserved remains or traces of ancient organisms
