Biological Evolution

12345678910
Across
  1. 4. the arrangement of and relations between elements
  2. 6. a fact or situation that is observed to exist or happen.
  3. 9. Structure traits that have no apparent function.
  4. 10. genes or hereditary.
Down
  1. 1. having the same structural features and pattern of genes.
  2. 2. the amount of a species.
  3. 3. Genetics determined by one's parents or ancestors.
  4. 5. create something very similar to something else
  5. 7. a persons chilled or ancestor.
  6. 8. a genetically determined characteristic.