Evolution

123456789101112
Across
  1. 2. a feature of two organisms that are similar in function but different in structure
  2. 6. a type of mutation where an extra base is added to a DNA sequence
  3. 7. the changing of a one species splitting into two or more
  4. 10. two dissimilar species that evolve to look similar.
  5. 12. a features of two organisms that are similar in structure but different in function.
Down
  1. 1. Process through which populations adapt and change to better suit their environment
  2. 3. a chance change in the nucleotide bases of a living things DNA
  3. 4. the change in inheritable traits due to chance
  4. 5. changes in inheritble traits over successive generations
  5. 8. all the alleles and genes within a population
  6. 9. An organism ability to survive and reproduce
  7. 11. remains or impressions of prehistoric animals preserved in rock