Adaptation and Evolution Crossword

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Across
  1. 2. Changes in alleic frequencies over time
  2. 4. The dramatic change in species over a short period of time
  3. 7. Where only the strong survive and the weak die
  4. 10. Major component of DNA
  5. 13. Or allelic drift is the change in the frequency of a gene variant (allele) in a population due to random sampling
  6. 15. Two different species evolving with similar traits
  7. 16. A model that shows the gradual changes to a species
Down
  1. 1. The evolutionary process by which new biological species arise
  2. 3. A property shared between two nucleic acid sequences
  3. 5. Structure of DNA
  4. 6. A change of the nucleotide sequence of the genome of an organism
  5. 8. Scientific name for DNA
  6. 9. Where individuals with similar genotypes and/or phenotypes mate with one another
  7. 11. A nitrogen-containing molecule having the chemical properties of a base
  8. 12. The transfer of alleles or genes from one population to another
  9. 14. the accumulation of differences between groups which can lead to the formation of new species