Natural Selection/Evolution

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