Natural Selection/Evolution
Across
- 4. group of organisms capable of producing viable offspring
- 7. human manipulation of genes
- 9. a whale's fin and a shark's fin
- 12. a sequence of DNA that codes for a protein
- 14. wisdom teeth or the appendix
- 15. a dog's paw and a human's hand
Down
- 1. mechanism of evolution
- 2. traces/remains of organisms that existed in the past
- 3. when a species cannot adapt quickly enough to reproduce
- 5. genetic variation stored in a population
- 6. how common an allele is in a population
- 8. individuals of a species that live in the same area
- 9. a heritable trait that enables survival
- 10. a variation of a gene
- 11. most compelling evidence of evolution
- 13. a measure of an organism's ability to survive and reproduce relative to thers