Natural Selection
Across
- 2. a type of molecule that genes and chromosones are made of
- 5. selection the process by which the distribution of traits in a population changes over many generations
- 7. trait a trait that makes it more likely that an individual will survive in a specific environment
- 9. the number of individuals with each trait in a population
- 10. molecule a type of large molecue that performs important functions inside organisms
Down
- 1. everything(living and non-living) that surrounds an organism
- 3. a random change to a gene that sometimes results a new trait
- 4. an instruction for making a protein molecule
- 6. a specific characteristic of an individual organism
- 8. any difference in traits between individual organism