C6L2 Biological Evidence

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Across
  1. 3. all known fossils and place in time
  2. 4. body parts that have no function in their present-day form
  3. 9. parts of organisms that are similar in origin and structure
  4. 10. the study of the growth and development of offspring from fertilization to birth
Down
  1. 1. if species inherited many of the same genes from a common ancestor, them they would have similar body structures and development
  2. 2. the study of the similarities and differences in the physical structure of things
  3. 5. a chart that shows evolutionary relationships (who is related to who)
  4. 6. parts that look similar, but are passed down from different ancestors
  5. 7. a previous species that two different species have evolved from
  6. 8. genetic change in a population over time