Natural Selection

12345678910111213
Across
  1. 2. A random and permanent change to a gene.
  2. 3. A trait that decreases the likelihood of survival and reproduction.
  3. 5. A trait that does not affect the likelihood of survival and reproduction.
  4. 8. A trait that increases the likelihood of survival and reproduction.
  5. 9. Sequence of DNA that determines structure of protein
  6. 10. The way in which traits are shared in the population.
  7. 13. Changes in a species over generations; due to changes in environment.
Down
  1. 1. The process by which individual organisms with traits that are beneficial in their environment are more likely to survive and produce more offspring.
  2. 3. When a trait is able to be passed from parent to offspring.
  3. 4. Complex molecules that are responsible for traits
  4. 6. The four letters A,T,C,G make up this part of our DNA.
  5. 7. When a trait becomes the most common trait within a population.
  6. 11. The ability to be unaffected by something usually harmful.
  7. 12. A trait that an organism learns/develops throughout its life.