Across
- 4. The process through which living things have offspring; can contribute to genetic variety
- 5. The process through which the traits of a species change over time to adapt to their new environment
- 7. Physical or behavioral characteristics determined by genes
- 9. Selection How over time the most-fit organisms become more numerous while poorly adapted ones become less numerous
Down
- 1. Part of a strand of DNA, it helps determine a trait
- 2. How well an organism is suited to survive and reproduce
- 3. An inheritable trait that improves an organism's chance of survival
- 6. When multiple types of traits exist in a species
- 8. A random error in DNA or error caused by radiation or chemical poisoning