SCIENCE EVOLUTION CROSSWORD

1234567891011121314151617181920
Across
  1. 3. similar structures but have different anatomies
  2. 4. the transfer of genetic material from one population to another
  3. 7. the development of new species
  4. 9. a cell the develops into a reproductive cell
  5. 11. when a portion of a current population becomes isolated due to geographical barriers
  6. 12. members of the group that later gave rise to the modern human being
  7. 14. structures that evolved from the same ancestral body parts
  8. 16. located in the chromosomes which consists of DNA
  9. 18. when a specific number of species are separated from the rest of the group
  10. 19. occurs when there are no physical barriers preventing any members of a species from mating with another
  11. 20. species that have vestigial bind leg bones
Down
  1. 1. when a population moves from its current habitat to a new one
  2. 2. species that are similar to a zebra
  3. 5. any change in the genes of a population of organisms over a period of time
  4. 6. structures that are inherited that are often smaller and under-developed
  5. 8. a population of organisms with similar genes
  6. 10. the early stages of development of an organism
  7. 13. molecules that build and support body parts
  8. 15. drug used to treat infections caused by microorganisms and bacteria
  9. 17. remains of an organism