Across
- 2. the act of surviving or continuing to exist
- 3. a change or slight difference in a level, amount, or quality
- 6. an adaption that is an action that an animal takes
- 9. the passing of traits from parent to offspring
- 11. that process by which an animal or plant becomes fitted for its environment
Down
- 1. a change in the DNA sequence of an organism
- 4. the person who developed the theory of evolution
- 5. process by which individuals who are best suited to their environment that survive
- 7. the change in the inherited traits of populations over generations
- 8. the study of heredity
- 10. an adaption that is a part of the animal